The mexican war the united states to gain control of new western lands and

created a free trade zone with mexico.

provided the reservation system for native americans.

establish boundaries with mexico.

lead to the establishment of the northwest ordinance.

The Royal Navy was by far the most powerful of the world's fleets. It kept the British Isles immune from invasion and was also primed to blockade enemy ports in time of war. Fundamentally, however, its purpose was the protection of trade. ... Any threat to Britain's naval supremacy was a threat to the nation itself.

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