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The expansion of arms and the policy of military preparedness.

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The expansion of arms and the policy of military preparedness.

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a union or association formed for mutual benefit, especially between countries or organizations.

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a union or association formed for mutual benefit, especially between countries or organizations.

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a policy of extending a country's power and influence through diplomacy or military force.

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a policy of extending a country's power and influence through diplomacy or military force.

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a United States policy of opposing European colonialism in The Americas beginning in 1823. ... President James Monroe first stated the doctrine during his seventh annual State of the Union Address to Congress. 

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a United States policy of opposing European colonialism in The Americas beginning in 1823. ... President James Monroe first stated the doctrine during his seventh annual State of the Union Address to Congress. 

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a country or area in which another country has power to affect developments although it has no formal authority

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a country or area in which another country has power to affect developments although it has no formal authority

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the profession, activity, or skill of managing international relations, typically by a country's representatives abroad.

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the profession, activity, or skill of managing international relations, typically by a country's representatives abroad.

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was an addition to the Monroe Doctrine articulated by President Theodore Roosevelt in his State of the Union address in 1904 after the Venezuela Crisis of 1902–03.

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was an addition to the Monroe Doctrine articulated by President Theodore Roosevelt in his State of the Union address in 1904 after the Venezuela Crisis of 1902–03.

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is a term in foreign affairs initially used to refer to the United States policy established in the late 19th century and the early 20th century, as enunciated in Secretary of State John Hay's Open Door Note, dated September 6, 1899 and dispatched to the major European powers.

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is a term in foreign affairs initially used to refer to the United States policy established in the late 19th century and the early 20th century, as enunciated in Secretary of State John Hay's Open Door Note, dated September 6, 1899 and dispatched to the major European powers.

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On April 25, 1898 the United States declared war on Spain following the sinking of the Battleship Maine in Havana harbor on February 15, 1898. The war ended with the signing of the Treaty of Paris on December 10, 1898.

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On April 25, 1898 the United States declared war on Spain following the sinking of the Battleship Maine in Havana harbor on February 15, 1898. The war ended with the signing of the Treaty of Paris on December 10, 1898.

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journalism that is based upon sensationalism and crude exaggeration.

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journalism that is based upon sensationalism and crude exaggeration.

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patriotic feeling, principles, or efforts.

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patriotic feeling, principles, or efforts.

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Franz Ferdinand Carl Ludwig Joseph Maria (18 December 1863 – 28 June 1914) was an Archduke of Austria-Este, Austro-Hungarian and Royal Prince of Hungary and of Bohemia and, from 1896 until his death, heir presumptive to the Austro-Hungarian throne.

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Franz Ferdinand Carl Ludwig Joseph Maria (18 December 1863 – 28 June 1914) was an Archduke of Austria-Este, Austro-Hungarian and Royal Prince of Hungary and of Bohemia and, from 1896 until his death, heir presumptive to the Austro-Hungarian throne.

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was a secret agreement between Germany, Austria-Hungary, and Italy formed on 20 May 1882 and renewed periodically until it expired in 1915 during World War 2.

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was a secret agreement between Germany, Austria-Hungary, and Italy formed on 20 May 1882 and renewed periodically until it expired in 1915 during World War 2.

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was the understanding linking the Russian Empire, the French Third Republic, and the United Kingdom of Great Britain and Ireland after the signing of the Anglo-Russian Entente on 31 August 1907.

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was the understanding linking the Russian Empire, the French Third Republic, and the United Kingdom of Great Britain and Ireland after the signing of the Anglo-Russian Entente on 31 August 1907.

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a situation in which nations of the world have roughly equal power.

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a situation in which nations of the world have roughly equal power.

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World War One is a conflict between the Central Powers and the Allies. The Central Powers (red) consist of Austria-Hungary, Germany, Bulgaria and the Ottoman Empire. Important allied powers (yellow) are Serbia, Russia, France, the United Kingdom, Italy, Belgium and the United States.

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World War One is a conflict between the Central Powers and the Allies. The Central Powers (red) consist of Austria-Hungary, Germany, Bulgaria and the Ottoman Empire. Important allied powers (yellow) are Serbia, Russia, France, the United Kingdom, Italy, Belgium and the United States.

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In World War II the chief Allied powers were Great Britain, France (except during the German occupation, 1940–44), the Soviet Union (after its entry in June 1941), the United States (after its entry on December 8, 1941), and China

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In World War II the chief Allied powers were Great Britain, France (except during the German occupation, 1940–44), the Soviet Union (after its entry in June 1941), the United States (after its entry on December 8, 1941), and China

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 is a type of land warfare using occupied fighting lines consisting largely of military trenches, in which troops are well-protected from the enemy's small arms fire and are substantially sheltered from artillery.

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 is a type of land warfare using occupied fighting lines consisting largely of military trenches, in which troops are well-protected from the enemy's small arms fire and are substantially sheltered from artillery.

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disputed ground between the front lines or trenches of two opposing armies.

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disputed ground between the front lines or trenches of two opposing armies.

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a British ocean liner that a German submarine sank in World War I, causing a major diplomatic uproar.

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a British ocean liner that a German submarine sank in World War I, causing a major diplomatic uproar.

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was a secret diplomatic communication issued from the German Foreign Office in January 1917 that proposed a military alliance between Germany and Mexico in the prior event of the United States entering World War I against Germany.

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was a secret diplomatic communication issued from the German Foreign Office in January 1917 that proposed a military alliance between Germany and Mexico in the prior event of the United States entering World War I against Germany.

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U-boat is the anglicised version of the German word U-Boot, a shortening of Unterseeboot, literally "undersea boat".

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U-boat is the anglicised version of the German word U-Boot, a shortening of Unterseeboot, literally "undersea boat".

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was a promise made by Germany to the United States in 1916, during World War 1 before the latter entered the war. Early in 1915, Germany had instituted a policy of unrestricted submarine warfare, allowing armed merchant ships, but not passenger ships, to be torpedoed without warning.

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was a promise made by Germany to the United States in 1916, during World War 1 before the latter entered the war. Early in 1915, Germany had instituted a policy of unrestricted submarine warfare, allowing armed merchant ships, but not passenger ships, to be torpedoed without warning.

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Reparations is an American website started by artist Natasha Marin to raise compensation for descendants of the Atlantic Slave Trade.

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Reparations is an American website started by artist Natasha Marin to raise compensation for descendants of the Atlantic Slave Trade.

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was the most important of the peace treaties that brought World War I to an end. The Treaty ended the state of war between Germany and the Allied Powers.

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was the most important of the peace treaties that brought World War I to an end. The Treaty ended the state of war between Germany and the Allied Powers.

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is an independent agency of the United States government that maintains information on those potentially subject to military conscription.

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is an independent agency of the United States government that maintains information on those potentially subject to military conscription.

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compulsory recruitment for military service.

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compulsory recruitment for military service.

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a political theory derived from Karl Marx, advocating class war and leading to a society in which all property is publicly owned and each person works and is paid according to their abilities and needs.

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a political theory derived from Karl Marx, advocating class war and leading to a society in which all property is publicly owned and each person works and is paid according to their abilities and needs.

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was a war bond that was sold in the United States to support the allied cause in World War I. Subscribing to the bonds became a symbol of patriotic duty in the United States and introduced the idea of financial securities to many citizens for the first time.

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was a war bond that was sold in the United States to support the allied cause in World War I. Subscribing to the bonds became a symbol of patriotic duty in the United States and introduced the idea of financial securities to many citizens for the first time.

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an agency of the United States government established on April 8, 1918 to mediate labor disputes during World War I.

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an agency of the United States government established on April 8, 1918 to mediate labor disputes during World War I.

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was an independent agency of the government of the United States created to influence public opinion to support US participation in World War I.

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was an independent agency of the government of the United States created to influence public opinion to support US participation in World War I.

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information that is not objective and is used primarily to influence an audience and further an agenda, often by presenting facts selectively to encourage a particular synthesis 

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information that is not objective and is used primarily to influence an audience and further an agenda, often by presenting facts selectively to encourage a particular synthesis 

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is a United States Supreme Court case concerning enforcement of the Espionage Act of 1917 during World War I. 

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is a United States Supreme Court case concerning enforcement of the Espionage Act of 1917 during World War I. 

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a statement of principles for peace that was to be used for peace negotiations in order to end World War I.

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a statement of principles for peace that was to be used for peace negotiations in order to end World War I.

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The right of people to self-determination is a cardinal principle in modern international law, binding, as such, on the United Nations as authoritative interpretation of the Charter's norms

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The right of people to self-determination is a cardinal principle in modern international law, binding, as such, on the United Nations as authoritative interpretation of the Charter's norms

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was an intergovernmental organisation founded on 10 January 1920 as a result of the Paris Peace Conference that ended the First World War

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was an intergovernmental organisation founded on 10 January 1920 as a result of the Paris Peace Conference that ended the First World War

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was the last German Emperor and King of Prussia, ruling the German Empire and the Kingdom of Prussia from 15 June 1888 to 9 November 1918

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was the last German Emperor and King of Prussia, ruling the German Empire and the Kingdom of Prussia from 15 June 1888 to 9 November 1918

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Thomas Woodrow Wilson was an American statesman and academic who served as the 28th President of the United States from 1913 to 1921.

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Thomas Woodrow Wilson was an American statesman and academic who served as the 28th President of the United States from 1913 to 1921.

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General of the Armies John Joseph "Black Jack" Pershing was a senior United States Army officer. His most famous post was when he served as the commander of the American Expeditionary Force on the Western Front in World War I, 1917–18.

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General of the Armies John Joseph "Black Jack" Pershing was a senior United States Army officer. His most famous post was when he served as the commander of the American Expeditionary Force on the Western Front in World War I, 1917–18.

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is a category of foreign policies institutionalized by leaders who asserted that their nations' best interests were best served by keeping the affairs of other countries at a distance.

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is a category of foreign policies institutionalized by leaders who asserted that their nations' best interests were best served by keeping the affairs of other countries at a distance.