Which two statements describe challenges to law and other in Indian territory in the years after the civil war?

The two statements that describes the challenges to law and order in Indian territory in the years after the civil war are: US laws did not extend into Indian Territory, so outlaws would escape into the territory. Tribal courts only had authority over people from their tribes and could not try non citizens.

Explanation:

The two statements are:

"US laws did not extend into Indian Territory, so outlaws would escape into the territory": The area was undeveloped, with ancient roads and no railroads. People were not concerned about law and order as they want to survive.

"Tribal courts only had authority over people from their tribes and could not try non citizens": Tribal courts are poorly organized and managed badly. Lack of independence from tribal governments, Tribal law, customs and traditions are enforced on them instead of actual law.