Answer:
What were two effects of the Louisiana Purchase on the United States? The purchase doubled the size of the United States, greatly strengthened the country materially and strategically, provided a powerful impetus to westward expansion, and confirmed the doctrine of implied powers of the federal Constitution.
Declaration of what? united states? to reunite the states
The correct answers are: A. many wars within the empire and with foreign powers. And B. duty to pay taxes and serve in the army for citizens.