The immediate effects are easy. Miles of city would be leveled and all inhabitants of that area would be almost instantly killed. The long-term effects would be there would be so much radiation your body could go through nasty mutation and you'd need to be treated if you survived but if don't survive you'd have a long agonizing death. Also all neighboring cities would have radiation surging through them.
In addition to replacing the president if necessary, it's the duty of the vice president to
C. preside over the Senate
This is according to the US Constitution. The vice president can also be appointed as member of the Cabinet if decided by the president.
The countries that officially declared their neutrality in relation to the First World War were: Afghanistan - The country received a German diplomatic mission trying to convince it to act against the British in India, its border neighbors. Argentina.
The declaration of neutrality did not mean total isolation from the war. At a different time, several of the officially neutral nations cooperated with either side or both, allowing the use of their resources or territory in the war effort.
Do you mean Alexander Hamilton? He was in the 1800s.