Must approve tribal constitutions. a. the president of the united states b. the united states congress c. the us homeland security department d. the us secretary of the interior

The one that must approve tribal constitution is: D. The US Secretary of the Interior

Tribal constitution refers to the regulations that is made to manage the relationship between untied states government with the natives american tribes. US secretary of the interior played a very crucial role in this relationship because they are the one that managed the division of Federal owned land, including those that subsidized to the tribes.

d is the right answer

they usually pass federal laws

and sometimes in the elections of the president