What effects did the Crusades have on medieval Europe?

What does cross-chronological mean? What untapped resources did western Europe possess in the middle ages? Who was the Holy Roman Emperor that fought against the Schmalkaldic League? What were the lesser lords in a feudal system known as? Who first invented the toilet seat? What European countries fought against the Crusades? Where did the name whittall originate? How did mining bring more people west? The middle division of the three historical divisions of the roman empire was the? What is continuous movement? What part did economic factors play in the survival of the eastern Roman Empire? What groups fought against each other during the crusades? Why did early settlement first develop a long rivers? What is the dying room in all quiet on the western front? What contributions did Cornelius Vanderbilt make to the railroad industry? How did the Roman describe the people living beyond the northern frontiers of the Roman empire? When did the 5th century ad start and end? Which story scenario would best fit the historical context of the 14th century? What does classic man mean? Why do you think aspects of Roman law and government continue to guide nations today?