What was one good thing that came out of the crusades?

How many years are there between 1368 and 1644? What is the history of the Chinese jump ropes? What is the modern name of the city which was the battle site associated with the phrase Veni vidi vici? During the centuries of Roman history from Republic to Empire the paterfamilias' authority? What is the Celtic fringe? What are the four major crusades? What lighting was used in medieval theater? What established the idea that all roman citizens had a right to protection under the law? How did slavery in west Africa differ from slavery practiced by European settlers? Who is Babur to Jahangir in Mughal Dynasty? What is the origin of the name Wendy? What is Pierre culliford's pone number? The history of digital clock? How old is the Hudson Bay Company? What is the crone surname origin? Beginning in Eurasia two early innovations had a huge impact on agricultural societies. They allowed people to produce surplus food and in turn populations grew in size. What were the two innovations? What is past perfect tense? Where does the name Skye come from? How did feudalism work in Europe? What was the importance of the heavy wheeled plow?