modern American libertarians and right-libertarians who reject the traditional political spectrum for its lack of inclusivity and see themselves as north-of-center. It is used in an effort to quantify typical libertarian views that support both free markets and social liberties and reject what they see as restrictions on economic and personal freedom imposed by the left and the right, respectively, although this latter point has been criticized. Other libertarians reject the separation of personal and economic liberty or argue that the Nolan Chart gives no weight to foreign policy. Since the resurgence of neoliberalism in the 1970s, right-libertarianism has spread beyond North America via think tanks and political parties.Gregory, Anthony (24 April 2007). "Real World Politics and Radical Libertarianism". LewRockwell.com. . Retrieved 25 January 2020. In the United States, libertarianism is increasingly viewed as this capitalist free-market position. Terminology As a term, right-libertarianism is used by some political analysts, academics and media sources, especially in the United States, to describe the libertarian philosophy which is supportive of free-market capitalism and strong right to property, in addition to supporting limited government and self-ownership, being contrasted with left-wing views which do not support the former. In most of the world, this particular political position is mostly known as classical liberalism, economic liberalism and neoliberalism. It is mainly associated with right-wing politics, support for free markets and private ownership of capital goods. Furthermore, it is usually contrasted with similar ideologies such as social democracy and social liberalism which generally favor alternative forms of capitalism such as mixed economies, state capitalism and welfare capitalism. Peter Vallentyne writes that libertarianism, defined as being about self-ownership, is not a right-wing doctrine in the context of the typical left–right political spectrum because on social issues it tends to be left-wing, opposing laws restricting consensual sexual relationships between or drug use by adults as well as laws imposing religious views or practices and compulsory military service. He defines right-libertarianism as holding that unowned natural resources "may be appropriated by the first person who discovers them, mixes her labor with them, or merely claims them—without the consent of others, and with little or no payment to them". He contrasts this with left-libertarianism, where such "unappropriated natural resources belong to everyone in some egalitarian manner". Similarly, Charlotte and Lawrence Becker maintain that right-libertarianism most often refers to the political position that because natural resources are originally unowned, they may be