What development led the soviet union to establish the warsaw pact?
the soviets gained control over satellite countries,
west germany joined nato.
the allied powers grew weaker.
the berlin wall was erected between east and west germany.

The correct answer is B, West Germany joined NATO

Explanation

The Warsaw Pact was a treaty of friendship, collaboration, and mutual assistance, signed by eight socialist countries during the year 1955 in the framework of the Cold War, where military cooperation and support between them are established in case of a conflict armed.

This alliance was signed by what was once the Eastern bloc, a group of European socialist countries led by the Soviet Union to counterattack the threat of the North Atlantic treaty organization (NATO), especially after the entry from West Germany to this organization. In this way, they associated their military forces with any attack or invasion of capitalist governments. So, the correct answer is B. West Germany joined NATO

West Germany joined NATO.

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