What man created an oil empire in Cleveland?

What term describes the merger of companies in one area of business?

What is the term for a government's "hands-off" approach to the economy?

Corporate greed resulted in the formation of these, in which a company controls an entire market.

What term describes the merger of companies so that a single firm controls all aspects of production?

The idea that millionaires are a product of natural selection.

Taking part in actions that benefit society, as practiced by the wealthy, then and now.

Large railroad strike over unfair conditions in a company town.

Chicago labor rally in which participants were killed in a bomb blast.

This was one of the earliest national unions. It eventually accepted all variety of workers.

Name the leader of the American Railway Union. He was imprisoned as a result of the Pullman Strike.