What event led many Georgians to switch their political affiliation from Democrat to Republican in 1964?

A. the support of most white Georgians for civil rights
B. the nomination of Barry Goldwater, a conservative Republican
C. the election of John Kennedy, a liberal Democrat
D. the assassination of Dr. Martin Luther King, Jr.

B. The nomination of Barry Goldwater, a conservative Republican, was the event that led many Georgians to switch their political affiliation from Democrat to Republican in 1964. Goldwater opposed the Civil Rights Act of 1964, which many conservative Georgians agreed with. This led to a significant shift in the political landscape of Georgia, as many white voters shifted their support to the Republican party.