Should the Navajo Nation be considered a nation? Why or why not?

Culturally they are “nations”, but in the general way most use this term, the Navajo Nation is not “its own separate nation”. They are more like a separate state or US territory. In a way, they are similar to Puerto Rico.

increases in demand are shown by a shift to the right in the demand curve. this could be caused by a number of factors, including a rise in income, a rise in the price of a substitute or a fall in the price of a complement.

which the answer is:

b