Who was president of the United States at the time of the Mexican-American War? A) John Adams

B) James Madison

C) James Monroe

D) James Polk

c 3 branches because idk why they had 3 well when:

you think of it there are still contrys with 3

the answer is lower nubia. plz mark brainliest i am trying to improve rank.

powers  are  denied  to the  national governmentin three distinct ways: some  powers, such as the  power  to levy duties on exports or prohibit the freedom of religion, speech, press, or assembly, are expressly  denied  to the  national government  in the  constitution.