Answer:
The Byzantine Empire was the eastern continuation of the Roman Empire after the Western Roman Empire's fall in the fifth century CE. It lasted from the fall of the Roman Empire until the Ottoman conquest in 1453.
Japan issued the 21 demands in January 1915 in an attempt to take colonial control of China. The 21 Demands were made by Japan to China on 18th of January in the year 1915. They were actually made by Japan to consolidate their hold on colonial China. Along with the demand, Japan also attached an ultimatum.
C. Better quality goods, for a lower price