What Is the Real Reason for the Ending of McCarthyism?

This work mainly focuses on finding the truth of why McCarthyism fell from grace 1954, which is still debatable in the historical academia these days. Although some historians like Nathan Glazer and Alia Hoyt, both of whom study McCarthyism, believe that it is the McCarthy Hearing that lead to the downfall of McCarthy, based on the analyses of several prime sources as well as secondary sources, McCarthys blunder in going after American military is the actual real reason. Even if the reality of McCarthys downfall may not be helpful to the current American society, as the ending of McCarthyism-a vital part of the American human right movement, exploring and studying it is of great benefit to have a better understanding of how different social classes respectively influence the process of the human right movement, especially the role of government, which is seen as the first driving force for the rise and fall of McCarthyism for the first time.