During the turbulent sixties in america when there were riots all across the country because of racial tension?

and the war in vietnam, how bad did riots overall get in the u.s.? what year in the 60s specifically saw the worst rioting all across america? what if the riots multiplied themselves by at least 100x as to how they were going on during the turbulent 60s? would martial law be declared all across the u.s.? how bad did riots get during the 1960s across america? there were race riots and the thing going on in southeast asia.......... can a political commentator please tell me...........