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.
3 is the answer. Hope this helps you if u still need it
Alaska became the 49th state. Hope it helps, :)
During World War II, the United States began to provide significant military supplies and other assistance to the Allies in September 1940, even though the United States did not enter the war until December 1941. Much of this aid flowed to the United Kingdom and other nations already at war with Germany and Japan through an innovative program known as Lend-Lease.