WILL GIVE A MEDAL IF ITS CORRECT!!!

Which fact provides the BEST evidence to support the conclusion that the United States experienced a revival of conservatism in the early 1960s?

A) Lyndon Johnson won 486 electoral votes and 61% of the popular vote in the 1964 presidential election.
B) The Civil Rights Acts of 1964 and 1965 and the Voting Rights Act of 1965 were major victories for the Democrats during this era.
C) In September 1963, Senator George McGovern became the first congressman to challenge the growing U.S. military involvement in Vietnam.
D) Barry Goldwater was the Republican candidate in the 1964 presidential election, and conservative Republicans gained 47 seats in the House of Representatives in 1965 .