What was an unexpected result of the crusade?

When was Velvet Empire created? What is Charlemagne famous for doing? What year did mohammed conquered arabia? Is the middle class of India selfish and socially callous? Who claims to have orignated the idea of the windmill? What is the origin and ethnic of the name Baydanov? How many years between 1957 and 1973? Why did Europeans seize West Africans as slaves? Why did European nations compete for? How were women treated differently in the west than in the east? What event devastated the population of Constantinople and the rest of Europe? What were the major cities and landmarks in the west? What handicap did demodocus the minstrel suffer? Was there wild bears in England during medieval times? Who are famous explorers of the American West? Who was a germanic tribe that rebelled against rome in 378 ad? What cultural change resulted from the adoption of the eight-hour workday in the early 1900s? What is a serfs food? How did cattle ranching and the work of cowhands promote the settlement of the plains? What pope's speech started the crusades?