The introduction of paper, information was democratized and it became possible to make a living from simply writing and selling books. The use of paper spread from China into Muslim regions in the 8th century, and then to Spain (and then the rest of Europe) in the 10th century.
The correct answer is Umar.
Umar (also known as Omar), was one of the most important caliphs in history. A caliph is the main Muslim civil and religious ruler, thought to descend from Muhammad himself. During his reign, the Muslim realms spread throughout the world, including Egypt, Persia, and much of the Byzantine Empire.
<span>Xiongnu , Buddhism ,Mongols ended song dynasty Trade in general silk road. Underlying these cultural and political achievements was an “economic revolution” that made Song dynasty China “by far the richest, most skilled, and most populous country on earth.” The most obvious sign of China’s prosperity was its rapid growth in population, which jumped from about 50 million or 60 million during the Tang dynasty to 120 million by 1200.</span>
Samuel Tilden received more votes but not enough for a decisive win. it went to the Nouse of Representatives, in an unwritten compromise. Rutherford B. Hayes was given the presisidency in return for the Republicans agreeing to end Reconstruction in the soutn.
