Bringing water in from different areas can cause diseases and medical problems. Unfamiliar minerals and vitamins, along with diseases and bacteria, can manifest the water. People or animals whom have not adapted to the water's different diseases and bacteria can catch these diseases and get sick from the bacteria. Natives, on the other hand, may have adapted to the water's bacteria, and the body changes in order to fight off the different bacterium.
Senator designate is selected by the president
Explanation:
African Americans came back as liberators
Women worked when the men fought
Japanese Americans were sent to internment camps, wrongfully suspected as potential traitors