The war of 1812 begins, __, US MANUFACTURN EXPANDS

congress ends the European embargo
exports to great Britan increase
congress reduces tariffs
the supply of British goods decreases

US manufacturing grows exponentially as the War of 1812 creates a demand for domestic goods. With Congress ending the European embargo, exports to Great Britain see a significant increase. As a result, Congress decides to reduce tariffs to encourage further trade. The supply of British goods also decreases due to the ongoing conflict, further bolstering the success of American manufacturing.