Put simply, hydraulic fracturing is the use of fluid and material to create or restore small fractures in a formation in order to stimulate production from new and existing oil and gas wells.
The riots began on August 11, 1965, in Watts, a neighborhood in Los Angeles, when Lee Minikus, a California Highway Patrol motorcycle officer, pulled over Marquette Frye, who Minikus believed was intoxicated because of his observed erratic driving.
A building burning during the riot. In the early morning of July 23, 1967, rioting broke out in Detroit, Michigan. Police had raided an unlicensed bar and detained 82 African-American people. Onlookers retaliated by looting a nearby store, and the situation escalated.