Answer:
eli whitney
Explanation:
he was considered to be the father of mass production
Answer:
It gave citizenship to former slaves after the civil war, as well as their posterity.
Explanation:
It says that everyone who was born in the US is given a free citizenship, which included the African Americans.
Italian polymath Galileo Galilei espoused the view of heliocentricism in the early 17th century, contrary to the geocentrism which was commonly accepted at the time.