Final answer:
The French and Indian War resulted in American Indian groups losing land and power.
Step-by-step explanation:
The effect of the French and Indian War on American Indian groups in eastern North America was that American Indian groups lost land and power. The war resulted in the British gaining control of much of North America, including the land previously inhabited by American Indian groups. This led to displacement, forced assimilation, and the loss of autonomy and sovereignty for many native tribes.
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