The American state by the mid-1800s was not that same as the one in the early 1800s. America grew into a major economic and military power by then, the point wh

The American state by the mid-1800s was not that same as the one in the early 1800s. America grew into a major economic and military power by then, the point where it was untenable for Britain to maintain direct control over Canada, or to even maintain a major military presence there. The British were ostensibly kicked out of North America by America.