There are two major causes: Germanic tribes moving into the Western roman Empire until its fall by Odacer in 476 A.D.. On the other hand, emperor Constantine I had chosen Byzantium, and ancient greek site, as the "New Rome", which would become Constantinople. Constantine I established Christianity as the official religion for the empire.The eastern half of the roman empire survived more than 1000 years, because of strategic location as a trading center and connection between Europe and Asia.
Fairly certain the answer is Bill Clinton. If not I apologize
The American Anti-Imperialist League was established in the United States on June 15th 1898 to battle the American annexation of the Philippines officially called is solar areas following the Spanish-American War the Anti-Imperialist League oppose annexation on economic legal and moral grounds