Alexander The Great's generals divided into 3 kingdoms ruled by his former commander
The Huns are the invaders who came from Asia.
Concurring opinion is when one or more agree
unanimous opinion is when means almost everyone (or everyone) agrees
i.e:
you have to get a box into the house
out of 5 people, 1 person thinks you should hire someone to do it; that's a concurring opinion
out of 5 people, all 5 think you should just carry it into your house, that's a unanimous opinion
Answer: The NAACP
Explanation: This stands for the National Association for the Advancement of Colored People and it was formed in 1909 as a bi-racial movement to advance progress for African Americans.
I believe the answer is B, it seems the most fitting