a.Key factors that contributed to this economic shift were technological advancements in modes of transportation, a growing demand and employment in factory jobs followed by increased urban migration, and an agricultural shift away from subsistence farming (for self-sufficiency) towards commercial farming (for profits).
b.One short-term effect of the Market Revolution was that it employed many people in factories. ... Another short-term effect was that the Market Revolution increased demand for cotton worldwide. The cotton gin made it possible for planters to produce more cotton; therefore, cotton acreage increased.
