 Rights that weakly support each other are interdependent. Rights that strongly support each other are indivisible. Beginning with the 1968 Proclamation of Tehran, the United Nations has promoted the idea that “Since human rights and fundamental freedoms are indivisible, the full realization of civil and political rights without the enjoyment of economic, social and cultural rights is impossible” (see Whelan 2010). Nickel holds that this indivisibility thesis exaggerates the density and strength of supporting relations among human rights. He allows, however, that many supporting relations exist between rights—particularly under high-quality implementation—and endorses the use of linkage arguments when indispensability can be shown.