flyin flyin 22-05-2019 Social Studies contestada BRAINLIEST AND POINTS !! Why was McCarthyism able to spread so easily in the United States? A The Rosenberg trial led the public to believe there were more communists in the country. B Many people believed the returning army veterans were communists. C The Vietnam War fueled American fears of the strength of communist control. D Many of McCarthy’s accusations of communists in the army turned out to be true.