The war ended on feb. 2 1848 by signing mexico in on the treaty of Guadalupe-Hidalgo. 525,000 square miles was given to the all-so growing USA.
I believe it was around June 1942 to August 1943, during World War II.
The fact of isolationism and they had already purchased Hawaii and Alaska, the manifest destiny was about moving west, when you are too far west you can’t go west or else your drown in Pacific Ocean
Women played a crucial role in galvanizing the Civil Rights Movement.
