American Identity:
Any able bodied men were required to enlist in the military and forced to fight overseas. Women had to take over the men's jobs and duties back in America.
Work, Exchange and Technology:
Advancements in war technology made the war even more deadly than any preceding wars. Tanks were first being used and planes provided a different perspective of war, too.
Peopling:
People were immigrating to the U.S. to try and get away from the hardships and battles of the war in Europe. The ones caught in the battle countries were forced to abandon their towns and emigrate. In the U.S., the Great Migration was in full effect. African Americans branched out and moved west.
Ideas, Beliefs and Culture:
Citizens were beginning to believe that they did not need to fight in the war because their beliefs and religion. Also, while many Americans were against getting involved overseas, the other part of the population started to believe that fighting in Europe would help us.
America and the World:
While the rest of the world's powers were battling in Europe, America stayed put for a majority of the war. But when the need for another factor in the Allie's war plan came, America was there to answer the call. After the war, America emerged as one of the world's powers.
Environment and Geography:
Not much geographical or environmental changes occurred during the war, but in the aftermath, Europe got divided into many different countries.
Politics and Power:
The German's power was doing nothing but escalating during this time, but they began to be overrun by the Allied powers. In the end, the power of the Allies overtook the Germans. America emerged as one of the world's new powers and became the leader of the west.