One result of the War of 1812 was that the United States A) defeated Spain
B) took control of Cuba
C) gained land from Canada
D) maintained its independence from Great Britain

D. maintained its independence and its territory

Explanation:

During initial cause of war of 1812 was Britain's effort to invade some part of United States' maritime territory. They put several ships on US territory and capture  / sink the merchant ships that passed through the territory.

Britain do this in order to take back control over American territory after the Revolutionary war.

So, United States retaliated with its military's forces. The war itself ended in stalemate and both sides agreed to stop the advance. both sides feel that they're experiencing too much casualties. But in the end, USA managed to maintained its independence and its territory

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