Is this all the information the question gave you?
Answer:
The presidency of Lyndon Baines Johnson began on November 22, 1963, when Johnson became the 36th President of the United States upon the assassination of President John F. ... Kennedy, and ended on January 20, 1969.
President: Lyndon B. Johnson
Election: 1964
- Wikipedia
He was vice president but the presedient was assasinated so he bacame president
Depends some don't want to let go of the past, others it could be they are scared of being judged for what their ancestors did. They also might have PTSD this might give them flashbacks and scary dreams about things they might have seen.
The answer is A.
I hope this helps!