What happen during the revolutionary war?

In April 1775 British soldiers, called lobster backs because of their red coats, and minutemen—the colonists' militia—exchanged gunfire at Lexington and Concord in Massachusetts. Described as "the shot heard round the world," it signaled the start of the American Revolution and led to the creation of a new nation.

answer; i believe the correct answer is (crops);

a.indigo and cochineal

b.animal hides

c.silver and gold

e.cacao beans and sugarcane