Why were the crusades fought in christian view?

What tribes were involved in the red war of the west? What did tata mean in ancient rome? What purchase increased the interest for exploration west? Who had the hit windmills of your mind? Why do you think europeans wanted to travel to distant lands? Why did Westerners develop a need for better transportation? What is a Roman Senate? How was the impact of Enlightenment ideals on the development of economic political and religious structures in the Western world? Who ruled the franks from 768 to 814 C.E? What were visigoths achievements? After the first rush to the western gold-mining towns who over mining operations? Why do Roman Fathers have power over their families? What equipment did the Romans use to capture forts? Where is celeron de Bienville from? What are the 3 periods of Roman history and why were they divided this way? Where did the cowboys move the cattle? What time period was called the Romanesque period? What did Hadrian do to change today? What time is it west Africa now compared to Britain? How did humanism foster the Scientific Revolution?