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He was watching “ our american cousin” performed by laura keene at the ford theatre on april 14th
Answer: On a grassy knoll in Newburgh, New York, Washington gave one of the most important speeches in his military career.
Explanation:
During the Civil War, "Copperheads" referred to B. NORTHERN SUPPORTERS OF THE CONFEDERACY.
The Copperheads were those vocal democrats located in the Northern United States of the Union who were opposed to the American Civil War. They wanted to have an immediate peace settlement with the confederates.
The Republicans were the ones who called these antiwar democrats "copperheads"; likening them to the venomous snake.
The man described in the question is Crispus Attucks.
Crispus Attucks was among a huge group of American colonists who were protesting against the passage of the Townshend Acts. These acts put taxes on several important resources such as lead and paper. The colonists protesting this act were face to face with British soldiers who were trying to bring order to the city. This scene turned violent at one point and resulted in the shooting/killing of Crispus Attucks, making him the first death of the American Revolution.