I think your answer would be, The belief that slaves were personal property and not people (I'm not 100% sure) hope this helps
~ Natalia
Do you have a pic I don't really understand?
Brehnev welcomed Nixon to visit Moscow. The Soviet Union reacted to the standardization of relations amongst China and the United States by having Brehnev welcome Nixon to Moscow. President Nixon trusted that normalizing relations with china drive a wedge amongst China and the Soviet Union.
J. Robert Oppenheimer is often called the "father of the atomic bomb" for leading the Manhattan Project, the program that developed the first nuclear weapon during World War II.
The new settlers would make war or take their land and food.
Or they could've cause the Mexican to come of their land.