Select THREE of Polk's objectives for his administration. Lower the nation's tariffs.
Settle ownership of Oregon.
Restore the nation's treasury system.
Purchase Texas from Mexico.

The correct options are Lower the Nation's Tariffs, Restore the Nation's Treasury System and Settle the Ownership of the Oregon.

Explanation:

The correct three options are as

Lower the Nation's Tariffs

Restore the Nation's Treasury System

Settle the Ownership of the Oregon

There were total four objective of James K Polk out of which three are as indicated above, while the fourth one was to acquire California and its harbours from the Mexico, which is not mentioned here.

answer: choose the second bullet point. it is the easiest to put together an answer to the question.

explanation:

basic principles: federalism, separation of powers, checks and balances, judicial review, representative democracy, limited government, rule of law, individual rights and responsibilities, consent of the governed, majority rule, popular sovereignty, equal protection.