# data[].attributes.body
On April 4, 1917, the U.S. Senate voted in support of the measure to declare war on Germany. The House concurred two days later. The United States later declared war on German ally Austria-Hungary on December 7, 1917

# data[].attributes.body
The Treaty of Versailles is one of the most controversial armistice treaties in history. The treaty's so-called “war guilt” clause forced Germany and other Central Powers to take all the blame for World War I. This meant a loss of territories, reduction in military forces, and reparation payments to Allied powers.

# data[].attributes.body
In 1884, Hiram Maxim built the first effective machine gun, which revolutionized warfare.

# data[].attributes.body
Two shots in Sarajevo ignited the fires of war and drew Europe toward World War I. Just hours after narrowly escaping an assassin's bomb, Archduke Franz Ferdinand, the heir to Austro-Hungarian throne and his wife, the Duchess of Hohenberg, are killed by Gavrilo Princip.

# data[].attributes.body
The First Battle of the Marne was a battle of the First World War fought from 6 to 12 September 1914. It resulted in an Allied victory against the German armies in the west.

# data[].attributes.body
The RMS Lusitania was a UK-registered ocean liner that was torpedoed by an Imperial German Navy U-boat during the First World War on 7 May 1915, about 11 miles off the Old Head of Kinsale, Ireland