The answer is bantu
hope this helps
It's said that he defeated the enemy in one day. He had selfless devotion to the Roman Republic when there was a crisis and stepped down when it was over.
(this is what i put and got 100)
Answer:
Indus river (India): Harappa And the city of Mohenjo-daro
Nile river (Egypt): Ancient egyptian pryramid structures, obelisks, System of mathmatics, Medicine development, etc.
Huang he (China): The great wall of china build, development of budda religion, growing rice products.
Tigris-Euphrates (Mesopotamia): The wheel, plow tool, and cut canals and river connections.
Cotton gin was invented by Eli Whitney in 1793