The answer should be A. Great Depression.
THE ANSWER IS REFUGEES!!!!!!!!!!!!!!!!!!!!!!!!!
Answer: A cylindrical grinder may have multiple grinding wheels. The work piece is rotated and fed past the wheel(s) to form a cylinder. It is used to make precision rods, tubes, bearing races, bushings, and many other parts.
A, B, and C. Mesopotamia was in the middle of a desert, and the only reason it was farmable was because it lay between the Tigris and Euphrates rivers which flooded yearly to water the ground.
A larger tax base. Reaganomics is consistent with the theory of supply-side economics. It states that corporate tax cuts are the best way to grow the economy.
