Because the entire history of the Catholic Church is prefigured by the entire history of Israel in the Old Testament, then the 4 empires from the Book of Daniel (Babylonian, Persian, Greek and Roman) have New Testament parallels. These New Testament Church history parallels of the 4 empires from the Book of Daniel are guides to understanding how Daniel's prophecies are fulfilled in the events of Catholic Church history. Here is a fulfillment of the vision of the Ram and the Goat, from the 8th chapter of Daniel.

Paul VI possibly responsible for handing list of clergy to Communists
See this link at the 5:06 minute marker

https://www.youtube.com/watch?v=FeEkSJukLaw


Egypt as "Breadbasket of Ancient world" (search for word "breadbasket")
https://en.wikipedia.org/wiki/Egypt_(Roman_province)


Alexander's tomb in Memphis, Egypt (search for word "Memphis")
https://en.wikipedia.org/wiki/Tomb_of_Alexander_the_Great


Alexandria - large multicultural center of trade, large Jewish population
(read the section on Ancient history)
https://en.wikipedia.org/wiki/Alexandria#Ancient_era


Law of making copies for Alexandrian Library (read section entitled "history")
https://en.wikipedia.org/wiki/Library_of_Alexandria