I’m not too sure what your trying to day
I believe they were both harmed by nuclear radiation. Hiroshima was when the USA bombed Japan with a nuclear bomb. Chernobyl is the disaster in which a reactor caught fire and caused the harmful radiation to spread. I hope that was helpful. :)
Initially, McClellan was trusted a military leader. He was able to successful train and equip the US military against the Confederacy. His planning proved to be detailed however, his perfectionist qualities made him slow to move and often without the aggression needed to fight the Confederacy. His plan was, theoretically, a good one in which troops would move east and come at Virginia from the water. This attack was aimed right at Richmond and if successful would have ended the war.
I believe it was from May to September 1787, in Philadelphia, Pennsylvania.