1. Historical alliances and grievances
Many Native American tribes had long-standing alliances with the British that dated back to the colonial period. These alliances were often based on trade, military assistance, or a shared distrust of the American colonists. For example, the Iroquois Confederacy had a strong relationship with the British and sided with them during the war.
On the other hand, some Native American tribes had grievances against the American colonists. These grievances could include land disputes, broken treaties, or mistreatment by settlers. For example, the Cherokee had been displaced from their land by American settlers and were angry at the Americans for not honoring their treaty agreements.
2. British military power and support
The British were a powerful military force, and they were able to provide Native American allies with weapons, ammunition, and other supplies. This support was crucial for Native American tribes who were fighting against the Americans. For example, the Shawnee were able to resist American attacks for many years thanks to the support they received from the British.
3. Fear of American expansion
Many Native American tribes feared that the Americans would eventually take their land if they won the war. This fear was based on the fact that the Americans had already taken over large amounts of Native American land in the years leading up to the war. For example, the Delaware were afraid that the Americans would take over their land in Pennsylvania if they won the war.
In conclusion, most Native Americans did not side with Britain during and after the Revolutionary War. However, some Native American tribes did ally with the British for various reasons, including historical alliances, grievances against the Americans, British military power and support, and fear of American expansion.