Quotes by Nuclear Proliferation The greatest threat to U.S. and global security is no longer a nuclear exchange between nations, but nuclear terrorism by violent extremists and nuclear proliferation to an increasing number of states. Barack Obama nuclear-proliferation nuclear-terrorism numbers For the first time, preventing nuclear proliferation and nuclear terrorism is now at the top of America's nuclear agenda. Barack Obama nuclear-proliferation nuclear-terrorism america [Donald Trump] said that he would encourage Japan and South Korea to develop their own nuclear arsenals to lower U.S. costs, and then has denied that he would encourage nuclear proliferation to allies (although he did say so). David Krieger nuclear-proliferation korea japan Every inhabitant of this planet must contemplate the day when this planet may no longer be habitable .. The weapons of war must be abolished before they abolish us. John F. Kennedy nuclear-proliferation nuclear-disarmament war The threat and use of violence is stimulating nuclear proliferation along with jihadi terrorism. Noam Chomsky nuclear-proliferation violence use