The United States is largely insulated from the rest of the world due to its geographic position, surrounded by two vast oceans and a sparsely populated area to the north with Canada. This unique location has shaped its political and social dynamics, allowing it to develop largely in isolation compared to other nations.

However, the nation faces demographic pressures from Mexico to the south, highlighting a critical vulnerability. This dynamic suggests that while the U.S. enjoys significant geographic advantages, it must remain conscious of the threats that arise from changing demographics in neighboring regions, as discussed by Robert D. Kaplan in "The Revenge of Geography."