In the early and mid 1800s the majority of the southern economy depended on a) unskilled labor supplied by immigrants b) goods manufactured by skilled craftsmen c) advances in manufacturing technology d) labor provided by enslaved workers

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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.

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