Answer:
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.
The main cause of the market revolution was rapid improvement in communication and transportation.
It should be noted that a factor that contributed to the shift in the economy was technological advancement in the modes of transportation.
An effect of this was that it led to an increase in urban migration. People also moved away from subsistence agriculture towards commercial agriculture. There was also innovation and inventions to produce goods.
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