After the tet offensive in vietnam, president johnson a. chose not to run for reelection in 1968. b. escalated the bombing of north vietnam. c. decided that the us had a good chance of winning. d. signed a peace agreement with north vietnam.

Answer;

A. chose not to run for reelection in 1968.

Explanation;

-After the Tet Offensive in Vietnam, President Johnson chose not to run for reelection in 1968.

-Two months after the Tet Offensive, in March 1968, President Johnson stopped the bombing of North Vietnam and called for peace talks.

-He also announced that he would not seek re-election in that year’s presidential election.

A) Chose not to run for reelection in 1968

All the other answers don't make sense. your welcome :)

the answer to your question is:

strong-mayor system