Definitely C. Diffusion is the process of two cultures melding together, like in Civ V, if you conquer a city, it's not happy until you put your culture into it. 
        
                    
             
        
        
        
Answer:
Apache
Comanche
Kiowa
Crow
Osage
Explanation:
The plains culture tribes were the tribes that were located in the Great Plains of North-America, that form the states of Montana, North Dakota, South Dakota, Wyoming , Nebraska, Kansas, Colorado, Oklahoma, Texas, and New Mexico, they are the most typical and known tribes of north america and were nomads, their diet consisted on buffalo and crops they could gather. As they were nomads they were the most affected by the arrival of the colonizer because their way of life was uncompatible with the European way and all efforst to colonize them were unsuccessfull.
 
        
             
        
        
        
Answer:
Explanation:
Ok this was hard but I think I got it
Stamp Act 1763
Proclamation 1763
Sugar Act 1764
Townshend Act 1767 
Boston massacre 1770
Continental Congress 1774
Intolerable Act 1774
Tea Act-Boston tea party 1773
Lexington and concord April 19, 1775
Continental Congress May 10 ,1775
Bunter Hill June 17 ,1775
Declaration of Independence July 4,1776