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Trench Warfare was used to protect Troops that were in WW1 from machine gun fire and artillery attacks from the air. -
He was killed because he was a "threat" to Serbian independence. And this begins WW1. -
Austria-Hungary declared war because of the assassination of Archduke Franz by a member of a Serbian independence group. -
Germany invaded Luxembourg and Belgium because they wanted to bypass the French defenses by going through Luxembourg and Belgium. -
A Serbian dissident shot and killed the heir to the throne of Austria-Hungary and this made Austria-Hungary invade Russia. -
Germany began the naval blockade of Great Britain to destroy the neutral ships that were supplying the Allies. -
The use of chemical weapons blistered the skin, eyes, and lungs, and killed thousands of people. -
The Allied forces landed on the Gallipoli Peninsula of the Ottoman Empire to let Allied ships go through the Dardanelles, capture Constantinople, and Also knock Ottoman Turkey out of the war. -
The Germans decided to sink the Lusitania because they wanted to attack the vessel that was furthering the war aims of their enemy. -
Italy declared war on Austria-Hungary because of the Emperor's obstinacy. -
Germany attacked the attack on Verdun to secure victory for Germany on the Western Front. -
The Germans first attacked at Verdun. They wanted to assist their ally so the British attacked on the Somme more early than expected. -
The British found and decrypted a coded German telegram from the German Foreign Secretary Arthur Zimmerman that was for Germany's ambassador to Mexico. -
The United States decided to declare war on Germany because of the resumption of submarine attacks on passenger and also merchant ships in 1917. -
After around 2 months after World War 1 started the American forces arrived in France to establish American forces in Europe. -
With the arrival of the American Expeditionary Forces in France, it became known that bilingual telephone operators were needed. To men available to fight on the front line, The army wanted to enlist women to serve as telephone operators. -
The 14 points that Woodrow Wilson presented were guidelines for rebuilding after the war ended. -
The Armistice helped end the war between the Allies and Germany on November 11, 1918. It was signed at 5 am -
It took a large Allied effort to attack the Germans and also the entire front to get them out of France and back to Germany. -
British and American forces entered Germany because they wanted to defend the balance of power in Europe and also safeguard Britain's position in the world. -
The Paris Peace Conference was a meeting that was international in January 1919 just outside of Paris. The Meeting was to make the terms of peace after the World War ended. -
The League of Nations was an international organization. It was created to resolve international problems. -
The Senate rejected the Treaty of Versailles because President Woodrow Wilson did not take the senator's objections to the agreement into thought. -
The Treaty of Versailles made the terms for peace at the end of World War 1. It took effect on January 10 1920 in Europe.