It was a bad decision on his part. Some may say his decision was good at the beginning but ultimately he made the choice to stay at war which led to a bad turn of events. Millions of dollars were spent on this and it wasn't even really successful, so I believe that was a poor decision.
hieroglyphics and papyrus helped grow the the civilization in Egypt because it was one of the first forms of a language and could easy be made to make a hieroglyph you needed a surface and paint. on the other hand papyrus made it possible to make writing that could be delivered by one man or stored in a place not written on a wall. it was the early form of paper. much easier to carry imagine trying to deliver a giant rock with writing just not gonna happen.
The final solution was the Nazis plan to exterminate the Jewish for reasons uncertai
It meant that there were nukes very close and within striking range of the USA.