Answer:
Sumerian farmers' invention of the plow helped them provide their city-states with a stable food supply. Before farmers invented the plow, they used animal horns or pointed sticks to poke holes in the earth.
Explanation:
A mercenary is a person who has no affiliation to an official army or country, but will take part in an armed conflict or mission when hired to do so.
A mercenary is motivated by his or her own personal objectives and goals. Mainly, the main reason for a mercenary to fight is a good pay.
A mercenary is an individual who is hired to take part in an armed conflict but is not part of a regular army or other governmental military force. Mercenaries fight for money or other recompense rather than for political interests.
hope that i helped :)
The racial issues and the uncommon ones