What factors led to US entry into the War of 1812?

it was a series of economic sanctions taken by the British and French against the US such as restrictions on U.S. trade and outrage at the British practice of impressment

Explanation:

in 1803 the louisiana purchase took place, doubling the size of the country. by 1840 almost 7 million americans had migrated westward in hopes of securing land and being prosperous. the belief that settlers were destined to expand to the west is often referred to as manifest destiny.

explanation:

straight down to hell mate