Most people didn't like King George 3rd of Britain because he was unruly and unfair. For instance take the French and Indian war, he taxed the american colonists when he should've funded other ways. He had an agreement with the colonists that agreed that they would pay for the war, but he wouldn't tax them without going through the colonists government. Unfortunately he didn't go to the colonists first so this made the colonists very angry and eventually led to the american revolution.
Hope it helps!
