McCarthyism is the practice of making accusations of subversion or treason, especially when related to communism. The term refers to U.S senator Joseph McCarthy (R-Wisconsin) and has its origins in the period in the United States known as the Second Red Scare, lasting from the late 1940s through the 1950s.
It was a new way to solve problems and do research.
c. classes that clash in pursuit of their own class interests.
According to Karl Marx, society was divided between two classes that clashed in pursuit of their own interests. Therefore he viewed society as comprising of a system of economic, social, and political relationships that maintained the dominance of the owners over the workers
"Their contributions and innovations made modern cities possible"
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