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swaying American public opinion, which had been leaning toward isolationism, to support entering the war -
provided the military and economic resources that enabled the Allied victory, turning the tide of the war in 1918 -
provided the primary motivation for the United States to enter World War I -
Austria-Hungary issued an ultimatum to Serbia, which was rejected and led Austria-Hungary to declare war against Serbia, with German support -
allowing the US to profit from trade with both sides, stay out of a European conflict, and maintain diplomatic options -
it halted the German advance on Paris in 1914, preventing a quick German victory and forcing the conflict into a prolonged war of attrition -
escalated tensions between Germany and the United States, intensified anti-German sentiment, and ultimately contributed to the U.S. entering World War I -
The battle and its outcome had significant military, psychological, and symbolic importance for both France and Germany. -
The attack, which caused casualties including several Americans, pushed Germany into issuing the Sussex pledge, in which it promised to restrict its submarine warfare. -
it was one of World War I's largest and bloodiest battles, with over a million casualties, and has come to symbolize the horrific human cost and futility of trench warfare -
it authorized the federal government to conscript citizens into the armed forces, fundamentally shaping how the U.S. has raised military forces for major conflicts like World War I and the Vietnam War -
The Espionage Act is a U.S. federal law enacted in 1917 that prohibits sharing information that could harm national defense and suppresses speech that interferes with the war effort -
The American Expeditionary Forces (AEF) was the United States military force sent to Europe during World War I, and its main role was to support the Allied effort in France under the command of General John J. Pershing -
as a blueprint for ending World War I and creating a lasting, just peace based on principles like self-determination, free trade, and open diplomacy -
Its lasting importance lies in its role as a major historical event, the devastating impact on young adults, and the lessons it provides for pandemic preparedness today -
Russia's exit from World War I in March 1918, through the Treaty of Brest-Litovsk, was important because it allowed Germany to shift troops to the Western Front, temporarily boosting its chances for victory, and it led to Russia ceding vast territories, which weakened it significantly -
Passed during the presidency of John Adams, this law made it a crime to publish "false, scandalous, and malicious writing" against the government -
it was the final Allied offensive of World War I that, along with the Hundred Days Offensive, led to the collapse of the German army and the end of the war -
it shows the final territorial gains by the Allies in the final days of World War I, the Allied advance across northern France and Belgium, and the subsequent demilitarized zones and Allied occupation of German territory -
its role in officially ending World War I, establishing a new international order, and laying the groundwork for future conflict