How do "guest worker programs" both a society's economy and the worker?

After world war one, how did the allied countries hope to keep germany from becoming too powerful again?

In an industry in which there are several providers of a type of good, why can one business not charge much higher prices for their goods?

Why might the spanish government have approved of the encomienda system? a the system allowed for fair treatment of all under it, leading to a happy and prosperous colony. b the system used natives as slaves which meant the government was able to maximize their profit of exported goods. c the system allowed for mostly profitable trade within the different colonies. d the system was a great example of how to successfully run a colony, making spain a world power.