Respuesta :
Answer:
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.
Lower the nations tariffs purchase Texas from Mexico restore the nation treasury system