president johnson began his presidency under difficult circumstances because he\n○ had little public support…

president johnson began his presidency under difficult circumstances because he\n○ had little public support and was elected by a narrow margin.\n○ took office after his predecessor was assassinated.\n○ was a teacher with little prior political experience.\n○ took office after a disaster in the space program.
Answer
Brief Explanations:
Lyndon B. Johnson became president after John F. Kennedy was assassinated in 1963, which were very difficult and tragic circumstances for the start of his presidency.
Answer:
took office after his predecessor was assassinated.