Uncle Sam standing on US ships in the Black Sea, looks through a spyglass on USSR with a sign “Provocation” on it.  Uncle Sam was widely used to represent USA.

"Is This a Freedom?" This poster portrays Americans as racist, the Statue of Liberty is holding a burning cross, referring to the KKK.  This reference was important as both the USSR and USA were trying to gain allies in the newly decolonized countries in Africa.  

"Shame on America"

This is an image from the news made into a poster to further the idea that racism and imperialism are two main aspects of American politics.