Question

President Johnson began his presidency under difficult circumstances because he
had little public support and was elected by a narrow margin.
took office after his predecessor was assassinated.
was a teacher with little prior political experience.
took office after a disaster in the space program.

Answer 1

took office after his predecessor was assassinated.

(Lyndon B. Johnson became president after John F. Kennedy was assassinated in 1963 — a traumatic, difficult start. Note: Andrew Johnson also assumed the presidency after Abraham Lincoln's assassination in 1865.)