There was an article on HN that asked the question "why was a second bomb dropped". The conclusion was that the plan was to drop many nuclear bombs, and it was

There was an article on HN that asked the question "why was a second bomb dropped". The conclusion was that the plan was to drop many nuclear bombs, and it was presidential intervention that limited it to two. Due to miscommunication the president didn't even know about the second bomb until after the fact. Edit: the article link was https://blog.nuclearsecrecy.com/2013/08/09/why-nagasaki/ https://blog.nuclearsecrecy.com/2013/08/09/why-nagasaki/