Final answer:
The key issues that led to the War of 1812 were impressment, trade restrictions, Native American alliances, and manifest destiny. The war weakened the Federalist party due to their opposition to the war and support for a strong British relationship.
Step-by-step explanation:
Key issues that led to the War of 1812:
- Impressment: British navy's practice of forcing American sailors to serve in their navy
- Trade restrictions: British interference with American trade, including the Orders in Council
- Native American alliances: British support of Native American tribes against Westward expansion
- Manifest Destiny: American desire to annex British territory in Canada and Spanish territory in Florida
Effects on the Federalist party:
The War of 1812 severely weakened the Federalist party as they were against the war and seen as unpatriotic. Their opposition to the war and support for a strong British relationship led to a decline in popularity and eventually the party's demise.
Learn more about Causes and effects of the War of 1812