Agriculture turned the course of history because it allowed previously nomadic tribes to settle down in one place for an extended period of time.
Pools were agreements between railroad corporations to divide the business in a given area and share the profits. Many companies formed these pools in order to avoid competition by dividing business in a particular area. Efforts to regulate the monopolizing practices of railroad corporation then first came in the form of action by the supreme court.
The correct answer is J.C Watts
The establishment of the northern west territories