The Crusades can be considered the final element in the process of estrangement and deepening mistrust. Although there were attempts to restore communion in the years 1274 and 1439, there was no lasting unity achieved. | The Crusades can be considered the final element in the process of estrangement and deepening mistrust. Although there were attempts to restore communion in the years 1274 and 1439, there was no lasting unity achieved. |