Answer:
The Crusades were a series of religious wars initiated, supported, and sometimes directed by the Latin Church in the medieval period. The term refers especially to the Eastern Mediterranean campaigns in the period between 1095 and 1271 that had the objective of conquering the Holy Land from Islamic rule.
The way that religious differences affected the middle east is :
They have caused much conflict
They even had conflicts between groups from the same religion but with a different point of view
hope this helps
The different African colonies aren't united because of their languages, religion, and culture. Because of this, European armies are large and can easily take over the small African colonies because they don't like eachother and won't put their powers together for the greater good.
AN example on how history has been changed/ignored would be thanksgiving and how it actually celebrates genocide