Why does the United States work with other nations?

A) To protect national security
B) To improve regional trade
C) To promote human rights
D) To strengthen democracy

c. To promote human rights.

Explanation:

Because people want maybe to change home school and from other countries some people want the same

                                                                       hope it helps

i just did something on this guy a few days a go give me two minutes to find it in my notes.

c. is the answer : ) (you may punch me if im wrong lol)