Answer:
1. Riots
2. Watts Riots
3. Police brutality
4. Detroit
Step-by-step explanation:
According to the historical records, most specifically during the Civil Rights Movement era whereby most Protests tend to lead to Riots and fights.
Hence, it can be concluded that Between 1964 and 1968, RIOT broke out in many American cities. The WATTS RIOTS broke out in Los Angeles over POLICE BRUTALITY The worst riots occurred in the city of DETRIOT.