Geography, anatomy, and astronomy
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.
Answer:
After World War II, European countries lacked the wealth and political support necessary to suppress far-away revolts. They could not oppose the new superpowers the U.S. and the Soviet Union's stands against colonialism. Strong independence movements in colonies.
credits :- wikipedia
<span>One reason for the growth of medieval towns was the principal of "stadluft macht frei" or "town air makes you free" where the serf became a freeman if they stayed in a town or city for a year and a day. This contributed to the growth of medieval cities.</span>