Why Did The Us And Soviet Union Want To Promote Their System For Other Countries. And the soviet union's alliance began to break down after ww2 because they were only united because of their opposition of nazi germany. The us wanted to create free capitalist democracies, and the.

And the soviet union's alliance began to break down after ww2 because they were only united because of their opposition of nazi germany. Both the soviet union and the us tried to integrate newly decolonized nations into their spheres of influence and economic development through diplomatic missions, cultural initiatives, covert. The us wanted to create free capitalist democracies, and the.