<span>Britain wanted the colonies to pay for part of the cost of the French and Indian War.
The war was costly and Britain was in debt. They felt that the colonists should pay the debt because Britain felt that they fought for the colonist's, or in their favor, in a way.
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War of 1812 I believe .-.
B.) Great Britain and France wanted to take back the Northwest Territory.
The last battle associated with War of 1812 was fought in New Orleans, although the final outcome of the War was practically a "draw" between the British and American forces.