- Long-term Causes: British impressment of American sailors, trade restrictions imposed by Britain and France during the Napoleonic Wars, American desire to expand territory (especially into Canada and Florida), and British support for Native American tribes resisting American expansion.
- Short-term Causes: The Chesapeake-Leopard Affair (1807), where a British warship attacked an American frigate, the failure of diplomatic efforts like the Embargo Act and Non-Intercourse Act to change British policy, and rising war sentiment in Congress led by the War Hawks.
- Short-term Effects: The United States failed to conquer Canada, Washington D.C. was burned by British forces in 1814, the Battle of New Orleans was won by Andrew Jackson after the peace treaty was signed, and national pride increased despite no major territorial changes.
- Long-term Effects: The war strengthened American nationalism and unity, ended British support for Native American resistance in the Northwest, led to the decline of the Federalist Party, and established the United States as a sovereign nation capable of defending itself against European powers.
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