11. New Zealand's nuclear-free zone option looks to remove the nation from under the nuclear umbrella . 12. When America expands its nuclear umbrella over new countries, 13. Next month, it will offer several East European countries a spot under the American nuclear umbrella . 14. In the other, an increasingly isolationist America withdraws its protective " nuclear umbrella " from Japan. 15. Are two nuclear umbrellas better than one? 16. But its defense plans against its perceived enemies, China and North Korea, include the US nuclear umbrella . 17. The statement has generated controversy in states under the US nuclear umbrella but especially critical of nuclear weapons. 18. A nuclear Iran would embolden Syria and Hezbollah to feel protected by an Iranian nuclear umbrella , he suggested. 19. Both South Korea and Japan have largely relied on the U . S . nuclear umbrella as insurance against attack. 20. Although Soviet officials assured China that it was under the Soviet nuclear umbrella , the disagreements widened the emerging Sino-Soviet split.