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The United States on March 30, 1867 purchased Alaska from Russia for around $7 million ending Russia's involvement in North America and expanding the US for a good price.

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The Spanish-American War was the aftermath of an explosion of the USS Maine, the US immediately declared war on Spain and blaming them for the explosion of the ship. The US would join Cuba in their battle against Spain which they would defeat Spain and have Cuba as a US territory.

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Annexation of Hawaii (July 7, 1898) - Zain

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Annexation of Hawaii (July 7, 1898) - Zain

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It expanded American territory into the Pacific and emphasized the results of economic unification and the US's emergence to dominance as a Pacific power.

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The Open Door Policy was introduced by the US in 1899, the policy stated that all nations would have equal opportunities to trade in China

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Roosevelt Corollary to Monroe Doctrine (1902-1903-DJ

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Roosevelt Corollary to Monroe Doctrine (1902-1903-DJ

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The Roosevelt Corollary was an important addition to the Monroe Doctrine because it gave a warning to European and Latin American nations stating that the US would not tolerate or allow interference in those regions and that the US would have troops there to sustain stability.

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“Gentlemen’s Agreement” (1907-1908) - Zain

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“Gentlemen’s Agreement” (1907-1908) - Zain

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The agreement was an implicit agreement between the US and Japan to reduce rising tensions between the two nations. It limited Japanese immigration in return for separating public schools in San Francisco.

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Triangle Shirtwaist Factory (March 25, 1911) - Zain

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Triangle Shirtwaist Factory (March 25, 1911) - Zain

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Triangle Shirtwaist Factory was New York City's and probably the country's largest shirtwaist maker. The fire had a significant influence in calling attention to unsafe working conditions in the industrial industry, resulting in reforms in workplace structure and safety standards.

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Occurred when a young Serbian nationalist assassinated Archduke Franz Ferdinand. Several new nation-states were formed, empires were destroyed, and independence movements in Europe's colonies were sparked by the First World War.

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After the French tried to create the canal and failed miserably, the US decided to try and do it their own way. Panama was all for it but it was still part of the independent country of Columbia. So Panama staged a coup and became its own independent nation and allowed the US the create the Canal. It allows many people to shipped good and other objects faster around the US.

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Theodore Roosevelt Jr. was an American leader, writer, environmentalist, naturalist, historian, and soldier. Also served as the 26th president of the United States. He oversaw the repeal of Prohibition and established important regulatory changes in banking, communications, and labor.