Economics
The United States leader for war conservation in World War 1 was President Herbert Hoover. When the United States entered into the war in 1917, Hoover wanted to conserved supplies and resources needed to feed America and for the war.
Woodrow Wilson
United States
FDR
The united states of America
United States
There was no one "world leader", but the two main competing nations were the United States and the Soviet Union.
Joseph Stalin was the leader of the Soviet Union after World War II. While allies of Britain and the United States during the war, this was mainly because all considered Hitler to be their enemy. Directly, after the war, Britain and the United States ended their relationship with Stalin.
Joseph Stalin was the leader of the Soviet Union when the United States entered World War 2.
The United States supported jiang because it feared his defeat would creat a communist superpower.
Abraham Lincoln is considered to be a great leader. He was president during the Civil War and helped to end slavery in the United States.
Pasha of Tripoli. #6