The U. S. government actively encouraged the destruction of the bison. Think of two possible reasons for this policy.

The U.S was trying to defeat the Native Americans who were trying to take over their land. Some American military commanders tried to kill them so the native Americans would lose a good source.

Explanation:

To make matters worse for wild buffalo, some U.S. government officials actively destroyed bison to defeat their Native American enemies who resisted the takeover of their lands by white settlers. American military commanders ordered troops to kill buffalo to deny Native Americans an important source of food.

Explanation:

By the middle of the 19th century, even train passengers were shooting bison for sport. ... To make matters worse for wild buffalo, some U.S. government officials actively destroyed bison to defeat their Native American enemies who resisted the takeover of their lands by white settlers.

the answer is migration

first it was savannah, then it was augusta, louisville, milledgeville, then atlanta.

i live in georgia.

-seth