How did the louisiana purchase represent an expansion of governmental power? a. it was done despite opposition by federalists. b. it was done during a time of french unrest. c. it was done in the first term of a presidency. d. it was done without clear constitutional authority.

D. It was done without clear constitutional authority.

Explanation:

It was done without clear constitutional authority  ( D )

Explanation:

The Louisiana Purchase by the Government of United states of America was part of a treaty entered with the French in 1803. The acquisition was made based on "preemptive right" to obtain Native American lands by either conquest or treaty by the Government of the U.S

This preemptive right represent the expansion of Governmental power because the right to purchase Louisiana was not part of the colonial powers/governmental powers vested on the Government by the constitutional authority. this purchase was  and carried out by president Thomas Jefferson's Government.

the answer wold be b) travel among nations should be regulated by an international organization