Migrants
-- a person who moves from one place to another, especially in order to find work or better living conditions.
Colonization of Africa begun well before the early 17th century. The whole of the Mediterranean coast of Africa was colonised by the Romans after the Punic Wars
I would have to say B is the best answer as I don't recall a worldwide economic depression taking place after world war II, or any of the other answers.
Earn alot of money car makers got richj
Sumerians built ziggurats because they believed that they would be more closely connected to the heavens. They believed that ziggurats connected the earth and the heavens.