What pracrice or institution most differentiated Russia from the west

the russians practiced communism where as the west (usa,britain,france) were anti communist. the us were capitalists , thus is would make sense that the ussr and the usa would clash eventually despite their pasts of helping eachother out. once russia clashed with the west it gave way to the cold war

states began imposing duties on each other's goods. congress had no way to raise money for an army to expel them.

c]extended voting rights to african americans