The correct answers are:
E. Massive flooding disrupted farming
C. A series of wars forced people to leave the area
The Indus River Valley Civilization, also known as the Harappan Civilization, extended from Afghanistan, Pakistan and northwest India.
He gave stirring speeches
He used non violent resistance to attract attention
Answer:
1) Hughes invented Hughes Aircraft in 1932 which helped form many ideas and inventions in aerospace tech.
2) Hughes drill bit was named "Rock Eater" because it penetrated medium and hard work with 10 times more speed then any former bit.
3) (I don't know if were still talking about the drill bit or what but here's my answer for that) "Rock Eater" found virtually all the oil discovered in the glory days of wildcatting, making Howard the richest man in the world at the time.
4) "Rock Eater" penetrated 14 feet of hard rock in 11 hours which no previous equipment had been able to penetrate.
5) It greatly effected the oil industry and the Hughes Tool Company.
Explanation:
(Really hope this helps!! Sorry if any of these are incorrect, if they are I am very very sorry! Have a lovely day by the way! <3)
I think it's Ghana Empire Wagadou
Plantation owners found that they needed slaves more in the fields because the cotton gin could produce quickly and efficiently
hope i helped
