Why did the welfare state grow faster in western europe than in the united states?

The Eastern European Nations were controlled by the Soviet Union, a communist government, and they did not have self-rule nor could they have free trade with the rest of the world as the Western European nations did. The USSR also refused help from the democratic western nations so they did not have all that help to fix up and grow the economies of the Eastern Nations.      

Avoid political parties don’t form foreign alliances and social reform