I think the answer is <span>The land acquired in the Mexican cession should be established as free states. </span>
The Nazis wanted to gain recognition of their superior race to the world. Khmer Rouge wanted to have communism in their country.
In the first few years of World War II, both sides of the war were mainly stuck in stalemate, which is like a draw neither side was gaining or losing much ground, but I'm sure as you can probably imagine it was still a gruesome war with lots of bloodsheds, injuries, and casualties, but both sides continued to try and outsmart the other side in the great war, but as stated before they were mainly stuck at stalemate in the first few years. Hope this helps :-).