Did Christian and Muslim merchants face the same pressures during the Middle Ages?

What is ethnic origin of surname Wilkerson? What were the series of wars called that the Christians and Muslims fought between 1095 and the late 1200s? Who were the first cattle ranchers in the west? What message might these frequent and violent changes in leadership have sent to people living outside the roman empire? Who encouraged the crusades? What is Empediment? Which crusade was most successful and which was least successful? How is the history of China divided? What might have happened in Europe if the crusades had never taken place? What were the impacts of missionaries in the Early Middle Ages? When was The Man from St. Petersburg created? Why is the current calendar called the Julian calendar? How many years between 6000 B.C and and 2100 B.C.? Dans quel domaine les freres wright ont-ils acquis leur reputation? What was the sixteenth century was an age of great? Why was Charlemagne called the Father of Europe and Roman Empire? What is the history of Crude oil use? Name of importants ports of eastern and western coastal plain? What happened as a result of Kush attack on Roman Forts? How did the crusades lead to an increase in learining Europe?