Western territories had not yet joined the union.
Answer:
To unify the new nation
Explanation:
By providing the means to travel across the land in order to reach the new settlements of the West.
Limited government
A limited government is one whose legalized force and power is restricted through delegated and enumerated authorities and principles of the constitution. The United States is an example of such government as the state’s actions are limited by the constitution.
Glacial lake, is a Rocky Mountain