International Relations includes nuclear proliferation.
International relations . The scope of international relations comprehends globalization , diplomatic relations , state sovereignty , international security , ecological sustainability , nuclear proliferation , nationalism , economic development , global finance , as well as terrorism and organized crime , human security , foreign interventionism , and human rights , as well , as , more recently , comparative religion . Nuclear proliferation . Proliferation has been opposed by many nations with and without nuclear weapons , the governments of which fear that more countries with nuclear weapons may increase the possibility of nuclear warfare ( up to and including the so-called `` countervalue '' targeting of civilians with nuclear weapons ) , de-stabilize international or regional relations , or infringe upon the national sovereignty of states .