Why, according to Robert Snyder, is the United States not responsible for the breakdown in its relations with revolutionary regimes in the developing world?

Revolutions

Why, according to Robert Snyder, is the United States not responsible for the breakdown in its relations with revolutionary regimes in the developing world? Why, according to him, do revolutionary regimes usually prefer hostile relations with the United States? Do you agree with Snyder’s theory? Why or why not?