Which of the following events were dividing the nation in 1968

The year of 1968 was a very traumatic one to the history of America, and one of the things that has divide the nation was the Protests over Vietnam. At the time, President LBJ signed an authorization to increase the number of troops on the ground, which led to a number of protests to the war, and it has gotten violent between the antiwar protesters and the police.

if it were me, i would pick c. c is the best answer because it's basically saying go on a non-violent strike for india