Answer:
C
Explanation:
Westward expansion, the 19th-century movement of settlers into the American West, began with the Louisiana Purchase and was fueled by the Gold Rush, the Oregon Trail and a belief in "manifest destiny."
Answer:
Congress can create a postal system, Congress can declare war, and Congress can make treaties with foreign nations.
Explanation:
However, its inability to levy and collect taxes prevented it from doing many of these and its other jobs successfully (if you need me to elaborate say so).