Answer:
Right choice:
B. Helped the Republicans win the 1968 presidential election.
Explanation:
Lyndon B. Johnson´s support in the polls was very low. With a too low popularity due to the impopularity of the Vietnam War, president LBJ took the decision not to run in the 1968 election. The winner of that election was Republican Richard Nixon, a former vice president who ran for a second time. Nixon promised Americans to get out of Vietnam by getting a "peace with honor."
