Im confused rn can someone help me​

I am pretty sure it is A.

Explanation:

If not It is C because It is not b that is for sure.

the Romans used this picture above to improve transportation  

Explanation:

well it definitly does because if you are seen as weak you will be seen as unimportant and they will walk all over you and the us is the most powerful military and the largest in the world

hope this

answer is b.

  it is always the best policy to have good communication and good relations between individuals and, specially, between leaders of the countries. for this purpose, among others, there is a common place, the united nations, where the representants can present his and learn about the other country's policies.