Which of the following is a reason for the start of the War of 1812? A. Congress placed an embargo on U. S. shipping.
B. The XYZ Affair caused tensions with Britain.
C. The U. S. was in dispute with Great Britain over the Northwest Territories.
D. Great Britain wanted to regain the American colonies.

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:

immigrants from northern and western europe continued coming as they had for three centuries, but in decreasing numbers