The correct answer is: out of 500 Native American tribes in the United States, about 120 operate tribal courts.
Step-by-step explanation
Out of 500 Native American tribes in the US, about 120 operate tribal courts. These courts are of general jurisdiction that continues keep on having a broad criminal jurisdiction.
Moreover, the main rule is that these states have criminal jurisdiction over all the offenses that the Native Americans receive or that are related to tribal lands.