The colonists wanted their independence from England, so they rebelled in 1776, but the started the war even earlier. They started the Revolutionary War in the 1770's. The answer to your question is independence.
Answer: Posters and newspapers were put up, a politician spoke and friends of friends encouraged each other to join as well. They figured knowing it was easier to have someone they know recruit more men than someone they didn’t know so it was easier to convince them.
Explanation: