The Korean War was the first battle of the Cold War, and first major proxy war fought between the United States and a Soviet communist supported enemy. A proxy war occurs when one or more opposing powers instigates a war and then uses third parties to fight on their behalf.
They didn't consider they people, religion, or ethic groups in the decision to divide them.
The Germans would provide military and financial support for a Mexican attack on the United States, and in exchange Mexico would be free to annex “lost territory in Texas, New Mexico and Arizona.” In addition, Von Eckardt was told to use the Mexicans as a go-between to entice the Japanese Empire to join the German