Which of the following statements describes the industrial revolution?
a. it was quick and violent and produced few results.
b. it took place mostly in rural areas among farmers.
c. it depended largely on the development of the factory system.
d. it occurred because of years of planning in the united states in the mid-1700s.

first, the romans stayed isolated because they had to defend their own territories from neighboring cities that were harassing them, like the etruscans. second, once the romans managed to defeat their neighbors, and started to expand their territory, they started to build roads and bridges. finally, now that the romans have covered their territory with roads functioning as highways, they could mobilize their legions faster to assemble larger military units in a specific place

answer; researchers typically cannot control people's sexual behaviors as would be necessary in an experiment;