I guess it depend on what you mean. Will it kill all people in NA? No. Will it severely and catastrophically affect the US and Canada? Yes. But the people w

I guess it depend on what you mean. Will it kill all people in NA? No. Will it severely and catastrophically affect the US and Canada? Yes. But the people who remain should be able to recover if we have enough food to take us though some years of lost crops and bad crops. Would adversaries take advantage? Most likely but we do have allies and most adversaries would also be affected by the following mini ice-age conditions if ash remains airborne for years.