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>
<span>Spoil System.
The term spoils system was made well known in a public discourse made in 1832 by Senator William Marcy. In support of President Andrew Jackson's policies, the senator stated, 'To the victor belong the spoils of the enemy.'</span>
C) The Vedic calendar
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