Answer:
Its b
Explanation:
Because "In 1947, President Harry S. Truman pledged that the United States would help any nation resist communism in order to prevent its spread. His policy of containment is known as the Truman Doctrine."
People of different ethnicity and culture living in the same area.<span />
The Earp brothers (Vergil, Wyatt, Morgan, James, and Warren) were a family of Western lawmen. Three of the brothers, Vergil, Wyatt, and Morgan, became well-known due to their involvement during the Gunfight at the OK Corral, which was considered the most famous shootout during the Wild West
The Mexican troops attacked Taylor's group because they mistook Zachary's intentions. (mexican troop believed zachary came to attack them) Hope this helps :)