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.
The primary cause of the demonstrations and the subsequent riots during the 1968 Chicago convention was opposition to the Vietnam War. Young peace activists had met at a camp in Lake Villa, Illinois on March 23 to plan a protest march at the convention.