Use the list to answer the following question. Johnson announces that he will not seek re-election
Robert F. Kennedy is assassinated following the California primary
Conservative movement begins to emerge
Which statement MOST LIKELY resulted in the events listed?

A.
The United States removed all troops from Vietnam after the Tet Offensive.

B.
The Democratic National Convention unanimously elected Hubert Humphrey as Democratic nominee.

C.
Republican Richard Nixon was elected president in the 1968 election.

D.
Richard Nixon goes under investigation for the Watergate scandal.