Well, if you are talking about after World War II, then the reason the alliance broke down was because of different views of the two nations during the Cold War.
The main difference was that the U.S. was a capitalist government and the Soviet Union was communist. Americans wanted nothing to do with Communism and saw that if more countries became communist it would threaten our government. The Soviet Union also began to develop their own nuclear weapons, so the Arms Race began between the two nations in case war broke out. These missile nuclear warheads were scattered in strategic places for firing, for the U.S. in Turkey, and the Soviets, Cuba (Cuban Missile Crisis). So to answer the question the reason because of the break down was that the Soviets were a Communist government and the U.S. did not want (and still doesn't like) Communism to spread.
The right choice is the one with the beginning of the Stalin.....
the alliance between the chinese and the soviet union
The WWII wartime alliance (known as the Grand Alliance) between the U.S. and the Soviet Union began to unravel for multiple reasons, including that the U.S. was upset that Joseph Stalin, the Soviet leader, had signed a nonaggression pact with Germany in 1939. Additionally, Stalin blamed the Allies for not invading German-occupied Europe earlier than 1944. Stalin also felt that the Soviet Union never received its due from the Allies regarding the territorial gains that the Soviet Union made in 1939.
The Warsaw Pact was the military alliance formed to counter Soviet expansion.
Eastern Bloc or Communist Bloc
The Warsaw Pact was the name given to their alliance.
the alliance between the chinese and the soviet union
Warsaw Pact- an alliance between soviet union and other countries
The United States and The Soviet Union dissagreed on the Future of Eastern Europe.
The United States and the Soviet Union disagreed on the future of Eastern Europe.
28 august 1991
It was inrtoduced in 1995. It was a military alliance between the Soviet Union and the Eastern European satelites. Yay!
The WWII wartime alliance (known as the Grand Alliance) between the U.S. and the Soviet Union began to unravel for multiple reasons, including that the U.S. was upset that Joseph Stalin, the Soviet leader, had signed a nonaggression pact with Germany in 1939. Additionally, Stalin blamed the Allies for not invading German-occupied Europe earlier than 1944. Stalin also felt that the Soviet Union never received its due from the Allies regarding the territorial gains that the Soviet Union made in 1939.
The Warsaw Pact was the military alliance formed to counter Soviet expansion.
The Soviet union
Eastern Bloc or Communist Bloc
A military alliance of communist nations in eastern Europe. Organized in 1955 in answer to NATO, the pact included Bulgaria, Czechoslovakia, East Germany, Hungary, Poland, Romania, and the Soviet Union.
The Warsaw Pact was the alliance that was made by communist Eastern European countries that the Soviet Union controlled. It was a military alliance that was formed in 1955, during the Cold War.