Explanation:
During the American Revolution, Paine served as a volunteer personal assistant to General Nathanael Greene, traveling with the Continental Army. While not a natural soldier, Paine contributed to the patriot cause by inspiring the troops with his 16 "Crisis" papers, which appeared between 1776 and 1783.
Answer: As the number of hours of studying increases, test scores increase because the scatterplot has a cluster that increases from left to right.
The only true option from the list would be that "<span>In time a fifth group was added to the caste system--the untouchables," since this was a later development and not an initial part of the system. </span>