Answer:
It prevented Japan from attacking Australia.
the Battle of the coral sea, fought during 4–8 May 1942 and it was a major naval battle in the pacific theater of world war 2 between the japanese empire's navy and naval and air forces from the United States and Australia.
The Ku Klux Klan often took drastic, and violent actions towards the blacks. Making it very hard for many of them to survive in a safe manner.
They wanted to find more natural resources, and they also wanted to seek out new markets for European goods.
The U.S constitution was fully signed on July 4th, 1776, the day America lawfully became a country.