North Korea : North Korea has threatened pre-emptive strikes against U.S. , but how realistic are these threats ? South Korea and Japan , both with U.S. military bases , are well within striking distance . The United States is also the only country in Asia that can threaten to use nuclear weapons on its enemies if it feels like doing so.
North Korea has threatened pre-emptive strikes against U.S. , but how realistic are these threats ? South Korea and Japan , both with U.S. military bases , are well within striking distance . The United States is also the only country in Asia that can threaten to use nuclear weapons on its enemies if it feels like doing so.