It was mainly to keep blacks from voting. so they made up rules the blacks had to follow in order to vote.
D. That Romeo has committed a sin by sleeping with Rosaline
It is a true fact that as the Industrial Revolution progressed and the importance of machine work increased, workers found themselves becoming more essential for servicing and guiding machines. The correct option among the two options that are given in the question is the first option. The importance of specialized jobs increased.