The indisputable uniqueness of the US’s political system is also reflected in its party system. The exceptional nature of some elements that characterize the most important US political par- ties can be illustrated by presenting the evolution of what is called neoconservative thought. Neoconservative roots reach back to the Democratic Party, yet the implementation of their most important assumptions, in particular in the field of international policy, is strictly related to their changeover to the Republican side. The objective of this paper is therefore to indicate the transi- tion that took place in the US political stage, mainly in the period of the Ronald Reagan adminis- tration, and to determine the modern position of neoconservatism, ...