Steven Kreis, PhD
The History Guide: The Holy Crusades
This site has a very interesting description of the Crusades from an objective viewpoint. Read about the impact of Christian-Muslim conflict in the Middle East during this period. Original text from that time is also included.
Khan Academy
Khan Academy: Motivation for European Conquest of the New World
God, gold, and glory motivated European nations to explore and create colonies in the New World. This article discusses the Crusades and how they influenced European colonization projects.