The Byzantine Greeks called themselves Rhomaoi (Romans) and their Empire the Roman Empire. They saw themselves as the continuation of the Roman Empire and never used the term "Byzantine" to describe themselves. There was no one clear period when the Eastern Roman Empire became the Byzantine Empire.
Answer:
Congress passed the 13 amendment to the Constitution,constitution,outlawing slavery,before the civil war had ended to protect black voting g rights,Congress passed the 15 amendment.the 15 amendment,however did not outlaw literacy tests,poll taxes and other methods that might prevent poor blacks and whites from voting
China had 5000 years of Chinese history