Answer:
c - he prevented the use of feudalism throughout the empire
John VI nicknamed "the Clement", was King of the United Kingdom of Portugal, ... Forced to flee to South America across the Atlantic Ocean into Brazil when troops of the Emperor
An achievement of the byzantine empire was d) preserving Greek and Roman civilization. Although the Byzantine Empire preserved both of these ancient civilizations, it also created the divide where Eastern and Western Christianity were more developed. This included the separation between people who believed in venerating icons and people who believed it should be banned. There was also a rejection of paganism.
Lieutenant Colonel James Harold "Jimmy" Doolittle led the Doolittle raid in 1942. the Doolittle Raid (also known as the Tokyo raid) was an air raid by the US.
