C. A large portable dome or arch shaped home made out of wooden sticks and covered in animal skin, mud, or grass
The last opinion seems more reasonable because Islamic leader is cruel and blame the USA for everything. But not 100% positive
They had to face slavery, and whites had the authorities that colored people didn't.
Answer:
World War I occurred because of a combination of both. Longtime rivalries over colonial divisions, trade and economic influence and domination existed among the great powers of Europe. For example, Germany resented having too few colonies and British superior naval force. They had also created a web of military alliances and defensive obligations - both public and secret - among themselves aimed at others. In the aftermath of duke Ferdinand´s assasination and the rapid succession of events, those factors contributed to dragging them into the war.
Explanation:
The Answer you are looking for is B).
If you look back at WWII the way the U.S. ended the war was with a plane dropping the 2 atomic bombs on Japan. So I think that the "use of air-power" did more than a little to help change the way the war was fought.