D) The shooting of a German ambassador by a Jewish person in France
The Ottoman Empire didn't welcome the newcomers, but it was certainly a much better place for these Jews to live than Spain or Portugal. The Ottoman Empire didn't welcome the newcomers beause they had an opposing Muslim religion previously. I apologize this isn't the complete answer, as I do not know much on this topic
Heres links to help --
https://en.wikipedia.org/wiki/History_of_the_Jews_in_the_Ottoman_Empire
https://www.myjewishlearning.com/article/the-ottoman-empire/
He was the director of the CIA so the answer is C....
Calendar making.
Both used the sun to track the movement of the seasons and time very accurately with intricately made solar calendars using markings made on temple walls.