1. Taxation without representation: The colonists complained that they were being taxed by the British Parliament, even though they were not allowed to have any representatives in the Parliament. They felt that this was unfair and unjust.
2. Denial of trial by jury: The colonists complained that they were being denied the right to a trial by jury, which was a fundamental right under the English common law. They felt that this was a violation of their rights as British subjects.
3. Quartering of troops: The colonists complained that the British government was quartering troops in their homes without their consent, which was a violation of their privacy and rights as citizens.