They move for better paying jobs
It Started at the end of WWll when the soviets and the US competed for global influence and power
Sugar act, townshed act, stamp act, boston tea party.
Costs of products also decreased because of railroads Population increased because food was available in a large variety at a low cost. The entire Industrial Revolution was altered because of these accomplishments. Factories flourished because the demand for railroad parts and railroad tracks was very high.