The correct answer is <span>A. Electric lights made it possible for factories to run after dark.
The conditions were still dreadful and it didn't reduce accidents. It only made it possible for factories to run after dark which made conditions even worse since people started working for over 12 hours a day in order to keep their jobs since they were easily replaceable in the factories because the jobs were mostly low skilled jobs.</span>
Because they could be turned into slave states, giving more power to the slaveowners in the south. Also, expansion policy and the dram of Manifest Destiny played a part in desiring that land.
Made it easier to cross the Appalachian mountains<span />
Latin I believe most languages came from Latin