The White House, USA. File photoWASHINGTON, Jun 8 The US will give a strong response if North Korea conducts a nuclear test, National Security Adviser Jake Sullivan warned. We will give a decisive answer,» he said at a White House briefing. The United States has already tried to tighten international sanctions against the DPRK for missile tests, but the initiative was blocked in the UN Security Council by Russia and China. Since the beginning of the year, North Korea has conducted 18 launches, including intercontinental ballistic missiles, a ballistic missile for submarines, systems for a space satellite and a new carrier of tactical nuclear weapons. without preconditions