Which of the following of President James Polk’s goals was achieved as a result of the Mexican-American war? A) to lower taxes

B) to set up an independent treasury

C) to add land that became Oregon to the United States

D) to add the land that became California to the United States

hi anthony i have history with you its  A btw

Explanation:

i think the answer is c, rivers.

explanation:

sometimes, borders fall along natural boundaries like rivers or mountain ranges. for example, the boundary between france and spain follows the crest of the pyrenees mountains. for part of its length, the boundary between the united states and mexico follows a river called the rio grande. the borders of four countries divide africa’s lake chad: niger, chad, cameroon, and nigeria.

answer; i believe the correct answer is (the willamete valley);