Christians and Jews had previously been allowed to peacefully coexist in the Islamic Empire. Which group put a stop to that practice?

they united the colonies in their fight against the british.

byzantine empire is the answer i think you are looking for.

hope this : )

i believe the answer would be 1.

herodotus taught this. herodotus was an ancient greek historian who was born in halicarnassus in the persian empire. he is known for having written the book the histories, a detailed record of his "inquiry" on the origins of the greco-persian wars.