Answer:
take the place of (a person or thing previously in authority or use); supplant.
for example: "the older models of car have now been superseded"
Answer:
Described as "the shot heard round the world," British soldiers (also called red coats) in April of 1775 and minutemen (the colonists' militia) exchanged gunfire at Lexington and Concord in Massachusetts. This signaled the start of the American Revolution.
Best of luck!
Answer:B and C
Explanation: A: Slavery was abolished after the Civil War. D is untrue.