<span>i think is this one -adoption of a social caste system </span>
Send the question again its not finished
Answer:
B
Explanation:
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.
<span>Nixon's scandal shook the public's trust in government</span>