Answer:
On June 4, 1968, popular Democratic Partypresidential candidate Robert F. Kennedy waited all day for the election results to come in from the Democratic primary in California. At 11:30 p.m., Kennedy, his wife Ethel, and the rest of his entourage left the Royal Suite of the Ambassador Hotel and headed downstairs
Explanation:
The "Echo of a Scream" is a work of David Siqueiros that depicted a baby to symbolize the innocent victims of the revolution. David Siqueiros is a politically active Mexican muralist who is jailed because of his sympathies to the Communists.