সঠিক উত্তর হচ্ছে: ভারত
ব্যাখ্যা: Since a series of nuclear tests in 1998, India declared a “no-first-use” policy under which it won’t be the first to use nuclear weapons in a conflict with its neighbors, but will retaliate should deterrence fail. Unlike Pakistan, India’s other neighbor and rival China also has a declared no-first-use policy on nuclear weapons.