The method used to entrap the buffalo into an enclosed area.

Corral

Explanation:

The main way in which animals are contained in a space in the United States is through the use of pens. Pens are small enclosures for holding animals. However, if the animal in question is big, such as a buffalo, the term used is often corral, which comes from Spanish. Corrals became particularly common in the Western US after the invention of barbed wire. Barbed wire transformed the existence of people and animals in the Western US.

there are indirect ways of affecting state laws   by with holding funding's. and that's why we have a 55mph speed on the high way with a design of 70mph speed.