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allowing the U.S. to maintain profitable trade with both sides, avoid "entangling alliances," and stay out of a European conflict that many Americans saw as not their concern -
triggered by the assassination of Archduke Franz Ferdinand of Austria-Hungary in June 1914 -
The American Expeditionary Forces (AEF) was the U.S. Army formation that fought in Europe during World War I, primarily in France under the command of General John J. Pershing -
it was a coded message from Germany proposing a military alliance with Mexico against the United States during World War I -
russia's withdrawal from World War I was crucial because it allowed Germany to redeploy troops to the Western Front, significantly impacting the war's balance of power and increasing the likelihood of an Allied defeat. -
its vast resources, fresh troops, and financial support tipped the balance in favor of the Allies, making their eventual victory possible -
the First Battle of the Marne was a crucial strategic victory for the Allies, while Belleau Wood cemented the Marine Corps' reputation for tenacious and fierce fighting -
it increased tensions between Germany and the United States -
the 1917 law that created a draft for World War I, requiring men aged 21-45 to register for military service -
it was a decisive part of the final Allied offensive of World War I, leading to the collapse of the German army and Germany's surrender -
a naval strategy where U-boats attacked and sank any and all enemy and neutral shipping, including civilian vessels, without warning -
important for its strategic role in repelling the German offensive, its immense symbolic meaning for France, and its impact on military tactics during World War I -
it led the U.S. to the brink of entering World War I after a German submarine attacked a French passenger ship, injuring Americans -
significant for its catastrophic casualties, becoming a symbol of the horrors of trench warfare -
President Wilson's Fourteen Points were a 1918 peace proposal for ending World War I, advocating for open diplomacy, free trade, disarmament, national self-determination, and the creation of a League of Nations to ensure future peace -
The Espionage Act of 1917 is a U.S. federal law that makes it a crime to obtain, transmit, or lose information relating to national defense -
The Paris Peace Conference, held in 1919, was a meeting of Allied powers to establish peace after World War I, with the Treaty of Versailles being the main outcome that officially ended the war with Germany -
the Armistice of November 11, 1918, is the agreement that ended World War I -
The Spanish flu's importance lies in its historical significance as the deadliest pandemic in modern history, killing an estimated 50 million people worldwide and infecting a third of the global population -
the Sedition Act of 1798, which made it illegal to criticize the government, and the Sedition Act of 1918, which criminalized certain forms of speech during World War I