Answer:
FDR wanted the US to join the Allied powers because of his sympathies to the British however before the attacks on Pearl Harbor when polled on going to war only 7-14 percent of Americans favored going to war. We now he had these sympathies because of his communications with Prime Minister Winston Churchill because they had created a friendship so FDR knew the situation the British were in so he lobbied congress to allow the US to at least do Lend Lease and also getting rid of bans in about the selling of arms to powers at war.
During the period of the crusades warfare between Muslims and Christians lasted nearly 200 years.
Hope this helps. :)
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/
George Washington
Hope this helps!
I think the answer is the Silk Road but I'm not sure.