It protects the states rights
Answer:
The closest large city to the coordinate 40n, 120w, is Reno, the second largest city of the state of Nevada, and the largest city of Washoe County, with a population of around 250,000 people.
This coordinate falls over the state of Nevada, in a desert area, very close to the western border with the state of California.
It is when the Mission Statement of the US Department of State complies with USAID in investing in the shared security and prosperity.