(A) ** The Treaty of Versailles placed the blame of World War 1 on Germany
(B) The Lusitania, A German U-boat, was hit by a British missile, sparking World War 1.
(C) ** The Treaty of Versailles negatively impacted Germany’s economy
(D) Germany joined World War 1 because the U.S. attacked German ships.
(E) ** The U.S. helped the Allies in World War 1 by providing additional soldiers, firepower, and resources.
EXPLANATIONS BELOW
Concept note-1: -U.S. Neutrality The United States remained neutral at the beginning of the war. Individual Americans supported one side or the other, although the majority were sympathetic to the Allies. Many contributed to relief efforts; others volunteered as ambulance drivers or nurses, or even as pilots and soldiers.
Concept note-2: -Germany sank many American merchant ships around the British Isles which prompted the American entry into the war.