How and why did the people lose interest in the crusades?

How did the west African societies developed? How culture has changed over the past 500 years? What is the origin of Russia's name? Who is westavious? Did feudalism concern lower classes? Where did the term 40 Winks originate? What was the name of the first credit card issued? What is a vice lords knowledge? What century was 33? What was the first roman invention? What contribution did Otto Von Bismarck make to Germany? Why were Romans consuls awarded the power of the veto? What was the Visa credit card brand name before it was called Visa? Dans quel domaine les freres wright ont-ils acquis leur reputation? Who was considered to be the greatest king of the franks? What was the sudden wave of conquests by Europeans over weaker countries? Who were the two junior emperors or Caesars that took over as co-emperors when Diocletian and Maximian stepped down in 305 AD? What shows the importance the mongols placed on improving trade contacts other civilations? When did Roman Steinberg die? What weapons were used during medieval times?