I believe the answer is: C. unoccupied lands.
<span>The act was aimed to give the government more land for economic purposes (such as place for settlements or acquiring it resources).
This act lead to the mass migration of native Americans to western territories of the united states</span><span />
The four characteristics of a state in the United States are territory, population, government, and sovereignty.
One of the advantages attributed to large population sizes
The autonomic nervous system connects animal's <span> peripheral nervous system </span>
