Why was the War of 1812 significant to the United States? - It launched a new wave of resistance from Native Americans.
- It demonstrated that the new nation was likely to endure.
- It allowed the Federalists to regain political power.
- It represented a clear victory over the British forces.
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It demonstrated that the new nation was likely to endure.

Explanation:

by defeating the strongest nation in the world for the second time, the U.S. proved that it had a right to exist.

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without the first amendment, people would not have the choice or freedom to practice their own Freedom of speech nor the right to practice their own religion.