Under what circumstances would a state law enforcement officer have the authority to arrest a tribal member on tribal land?

a. if the state authorizes it
b. if the tribe authorizes it
c. if the national government authorizes it
d. if the local city or county authorizes it

a. if the state authorizes it

State law enforcement officers typically have the authority to enforce state laws on tribal land if the state has jurisdiction over the area or if there is a specific agreement between the state and the tribe granting such authority.