What role did the U. S. play in the fall of communist regimes during the Revolutions of 1989?

slavery, abortion, donald trump, gay marriage, racial rights, immigration  

explanation:

anything that has been broth up to the supreme court is something of grate political divide   so just look as court cases

answer; (a) he was a u.s senator for 38 years;

then its a law the end

a countries leader should be motivated by the common good of the country.