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

The correct answer is B.

President Lyndon Baines Johnson assumed the presidency in 1963 and finished his mandate in 1969.

He had formerly been the vice president of John F. Kennedy, and only became president after Kennedy was shot and assassinated in that same year, which caused him to begin his mandate under difficult circumstances.

i confess that there are several parts of this constitution which i do not at present approve, but i am not sure i shall never approve them: for having lived long, i have experienced many instances of being obliged by better information or fuller consideration, to change opinions even on important subjects, which i once thought right, but found to be otherwise. it is therefore that the older i grow, the more apt i am to doubt my own judgment, and to pay more respect to the judgment of others.

to act quickly in times of danger to the united states

because you have to act quickly if you want to live/survive.