The Crusades were a series of religious and political wars fought for control of the Holy Land. Pope Urban II launched the First Crusade 1096-1102 in order to help Christians. The causes of the crusades. The First Crusade of the 18th century, 1095-1102, set a precedent for the heady mix of politics, religion and violence that would direct all future campaigns. Byzantine Emperor Alexios I Komnenos r. 1081-1118 saw an opportunity to obtain Western military aid to defeat the Muslim Seljuks who were eating. The continuing legacy of the Crusades stems from the plundering of a crude view of the past to justify contemporary conflict or victimhood. The modern Middle East is not the product of medieval wars, but the shadow of the Crusades looms over the rhetoric of polemicists. To the extent that it influences popular beliefs, the legacy is real to the extent that it influences popular beliefs. Material culture of the Crusades. This chapter explores how the Crusade, both as an activist action and a powerful idea aimed at traveling and restoring the Holy Land to Christian sovereignty, had a profound impact on medieval visual culture. Khan Academy courses are free. Start practicing and recording your progress now: https:www.khanacademy.org humanities whp-origins era-4-region. The impact of the Crusades. The Crusades had a great impact on the world. They have led to many changes. On the one hand, they caused a lot of fighting and death. But they also led to an increase in trade between Europe and the Middle East. This helped Europe grow and become richer. The Crusades also led to changes in the way wars were fought. The Crusades had many lasting effects. Perhaps the first and most immediate consequence was that the city of Jerusalem remained in the hands of Muslim rulers.