Because the Soviet Union wanted to spread communism, but the Americans did not want that so they stopped being the Soviet Union's ally.
People
The high level of America's wartime production was one of the main factors.
There were tons of alliances made that caused ww1. Alliances made countries stronger.
secret alliances
Mutual Defense Alliances. Imperialism.Militarism. Nationalism and I dunno the other.
Much like in WW1, there were 2 alliances: The Allies which consisted of Britain, French evacuees, Canadians, Austrailians, Indians (real India), and later the USSR and USA, and The Axis which consisted of Germany, Italy, Japan, and many other loyal countries. For a short time, the USSR was neither Allies nor Axis. Germany and the Soviets signed a peace agreement: You don't kill me and I won't kill you. The agreement was over with the attempted Russian assault.
World War 2 was of two alliances. The Axis, and the Allies. Great Britain and U.S.A were on the Allies side.
Central Power and Allies.
Central Power and Allies.
Britain and the US were the largest English speaking Allies. Russia was part of the Big 3 allies of the 16 nations.
The Entente (Sometimes called the "Allies") and the Central Powers.
Axis- Germany, Italy, and Japan Allies- UK, USSR, USA and others
Allies and axis powers.
An alliance system that required allies to aid one another in armed conflicts.
having alliances involved more nations in world war I Germany got in because it was an ally of Bulgaria. France and Britain got in because they were both allies with sebiria
The Allies and the Axis.Allies and Axis
spainSpain did not change alliances. It was neutral during both wars. However, Italy was an Allied Power during World War I and opposed the Allies as an Axis Power in World War II.
In great Britain the alliances were to agree of support between countries