Why was the American Revolution called the "First Civil War"?

The American Revolution, while not often called a civil war by modern historians, was referred to as a civil war in its first year, until William Henry Drayton, South Carolina's chief justice, first used the term "American Revolution

Explanation:

after the aryan's settled in india they changed for the better i bellieve they changed from nomads having to keep moving to being farmers   they were aswell avaible to turn the ganges river into farmland.   which is great they added a big affect on farming as we know of it today.