* He imposed new taxes on the colonies without their consent. This was seen as a violation of the colonists' rights as British subjects, who had the right to be taxed only by their own elected representatives.
* He restricted the colonists' ability to trade with other countries. This hurt the colonial economy and made it more difficult for the colonists to get the goods they needed.
* He sent British troops to occupy the colonies and enforce his laws. This led to tensions between the British soldiers and the colonists, who resented the British military presence.
* He failed to listen to the colonists' grievances and refused to compromise with them. This led to a growing sense of frustration and anger among the colonists, who felt that their rights were being ignored.
All of these factors contributed to the growing sense of resentment among the colonists towards King George III and the British government. This resentment eventually led to the American Revolution, in which the colonists fought for their independence from Great Britain.