The spinning jenny reduced the number of workers necessary to

it for the workers lik if you have a job thats what its for

explanation:

these civilizations were located around fertile rivers, where they could produce an abundance of crops

on the morning of  july 21,  1861, general mcdowell ordered the  unionarmy to attack. it was on this hill that  confederate  colonel thomas jackson and his forces held back theunion  troops.