What is one way that native tribes have safeguarded themselves against the federal government? (1 point)

Many tribes have completely shut off all communication with the world outside of the tribal lands. This is done to remove all influence the federal government could have on tribe members.
Some tribes have used the profits from tribal-run businesses to purchase extensive military-grade equipment.
Most tribes have outlawed private ownership on tribal lands and use entirely tribal-owned businesses as a way to safeguard themselves against any one member becoming too heavily influenced by the federal government.
Because jurisdiction and power struggles have continued to trouble the native tribes, they quite often find it beneficial to have tribal-owned businesses as a safeguard against the federal government.

Most tribes have outlawed private ownership on tribal lands and use entirely tribal-owned businesses as a way to safeguard themselves against any one member becoming too heavily influenced by the federal government.