I believe it was around June 1942 to August 1943, during World War II.
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.
Answer:i am thinking that the awnser is either B. or C.
Explanation:hope this helps