History 10 Nuclear warfare 10 War 7 Military policy 6 Nuclear weapons 4 World politics 4 Arms race 3 更多 ... National security 3 Armies 2 Arms and armor 2 International relations 2 Just war doctrine 2 Moral and ethical aspects 2 18th century 1 19th century 1 Addresses, essays, lectures 1 Armed Forces 1 Arms control 1 Arms transfer 1 Artillery 1 Atomic warfare 1 Atomic weapons 1 Biography 1 Christianity 1 College drop-outs 1 Contributions in just war doctrine 1 Contributions in nuclear warfare 1 Corporations, American 1 Deterrence(strategy) 1 Economists 1 少 ...