Perhaps the key battle of the war of 1812, because it protected the united states from full-scale invasion and possible dissolution, was the battle of a) mackinac. b) plattsburgh. c) the thames. d) horseshoe bend. e) fallen timbers.

B) Plattsburgh.

Explanation:

The Battle of Plattsburgh, also called the Battle of Lake Champlain, was fought on September 11, 1815. It was a naval and a land engagement at the same time. The British land force surrendered at the end, and the British naval commander, captain George Downie,  was killed in action.  The British force of George Prevost had to return to lower Canada, from where it had invaded American territory.

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