Geopolitics is completely separate science, based on its own principles and methodologies. However, the geopolitics and the International Relations studies the processes of the international sphere, that’s why both science have quite a big number of common issues.
An American political theorist Kenneth Waltz is seen as the creator of the neorealism. Waltz sophisticates the realist scheme, including in it the “structure” conception of the International Relations. Instead of the chaos and anarchy (classical realism) the International Relations becomes the field of the permanently changing balance of powers, its joint, but rectified potential keeps the whole world system in one position or, in several cases, provokes its changes.
Realism IR is defined, as it understand the Westphalian system, as an universal law, existing even in early stages in history, but was only understood and created by the majority of developed countries since the 17th century. The basis of this approach is the primacy of the principle of the national State's sovereignty and the accepted meaning of "national interests".
Donald Trump has once again outlined his position on foreign policy. In an interview with The New York Times, he reiterated his commitment to the principles of political realism. Trump said this in the context of a break with the previous policy of interventionism, which was supported by all the candidates of the Republican Party.
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