What were the major effects of the War of 1812 on the United States? And how did the war help to produce what became known as “the Era of Good Feelings”?

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The Embargo Act (1807) passed by Congress forbade US merchants from trading with either France or England, who were fighting each other during the Napoleonic Wars.  The War of 1812 should be seen as the North American extension of those European conflicts. New England manufacturing and shipping had been happily (and profitably) supplying both sides of the conflict, and the US merchant fleet was beginning to compete with the British.  Both major powers were not happy with the young United States.  To appease them, congress shut down trade and shipping, destroying the New England economy and causing a country-wide depression and a secessionist movement in the North!

After the war, England was not longer a threat to any part of North America, US trade rebuilt and competed with them, and with no serious European contenders left, the US began to assert itself as the "protector" of the Western Hemisphere through the Monroe Doctrine.  Removing the European imperial threats, and the expansion of trade and political power led to the Era of Good Feelings.

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The War of 1812 led to the Era of Good Feelings mainly by killing off the Federalist Party.

In the time before this war, there were two parties -- the Federalist Party and the Democratic-Republican Party. The Federalists were opposed to the war because they were pro-British while the Democratic-Republicans were anti-British and pro-French. They wanted the war for that and a couple other reasons.

Towards the end of the war, the Federalists held this thing called the Hartford Convention where they talked about breaking away from the US (they were all in the New England states).  This made them look really unpatriotic so when the war ended they pretty much died off and that allowed there to be only one party for a while.

Other major impacts:

  • The US finally becomes free of British influence for the most part -- no more forts on our territory, no more impressment.
  • The US starts to take itself seriously as a nation -- issues the Monroe Doctrine.
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