Answer:
When a problem arises with the Navajo nation, whose territory crosses state boundaries, the Federal Bureau of Indian Affairs would help.
The Bureau of Indian Affairs is a federal government agency charged with managing the native territories and the resources that are granted to these groups, whose main officer is Bryan C. RIce. It is an organism dependent on the Department of the Interior, and is in charge of procuring through the administration of the territory and the resources the well-being of the natives lodged in lands granted by the federal government. Therefore, in the event of structural problems that transcend the Navajo Nation's sphere of influence, this agency would be the first to act.
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C. they were concerned that the united states would demand such action
He was a United States politician from South Carolina during the 1st half of the nineteenth century. Calhoun was the first Vice President to resign from office (served as VP in the Adams and Jackson Administration)... he resigned to become a member of the Senate. and was known as an advocate of slavery, states rights, a limited federal government, and nullification (nullification is the belief that the states should have the right to deem a federal law unconstitutional). Calhoun was a major inspiration to the secessionists who caused the Civil War (he was dead during the Civil War period, he was only an inspiration).
He also served in the United States House of Representatives and was Secretary of War under James Monroe and Secretary of State under John Tyler.