Income increases, enabling consumers to buy more goods and
services.
British people did many bad things which cost them support. They implemented taxes as they saw fit, not caring about the people. They would make the common people house soldiers or be punished. They would block ports if the colonists would object, or punish them severely in many other ways.
They watched the spectacle of whites marching away to war and the attendant fear of wives and mothers, people whom the slaves, in many cases, knew intimately; and they saw the grief that exploded when those same soldiers came home mangled or were sent home dead.
4. Both allowed people to question the world around them