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

How many black Cowboys were there along the cattle trails? In the 1940s and 1950s what did the region described as being behind the iron curtain include? Where did 400 years of slavery come from? How did Jefferson encourage western settlement? What did the Europeans and First Nations people introduce to each other? What are viscounts and bailiffs in medieval times? Why would the wendat agree to convert to Christianity? In which country is celik a common name and surname? Septimus severus realized that an emperors true power lay where? Were does the word coward come from? During the Renaissance what family controlled Florence for almost 300 years? By what other name is the medieval period also known? What country and century did the Renaissance originate? What did Nero like to eat? How does literature reflect aspects of European culture in the Middle-Ages? What Roman Emperor was responsible for a major shift in the dominant religious attitude of the Roman Empire? How many years have passed since 1620? How did Pliny the Younger think his uncle died? How many continents are totally within the Western Hemisphere? Who was cincinnatus and why was he important to ancient Rome?