Answer:
Class conflict is the political tension and economic antagonism between two or more different social classes usually as a result of socio-economic competition.
One of the best examples would be France in the late 1700's, where the difference between the socio-economic status of the king, nobles and clergy created a conflict that would end up with the lower classes rising up and starting a revolution.
Sloppy is the answer, i think. correct me if im wrong:)
The first one: only 1 comma
<span>present a computer-assisted slide show</span>
