What is one of the main reasons people were willing to fight to regain the holy land

I hope this helps:

Explanation:

"The Crusades lasted centuries. From 1095, European Christians invaded the Middle East on several occasions. Despite bringing back a vast amount of knowledge to Europe, thousands of lives were lost."

religion played a major role in the american revolution by offering a moral sanction for opposition to the british--an assurance to the average american that revolution was justified in the sight of god. the revolution strengthened millennialist strains in american.

disease was the number one killer of native peoples. they had had little exposure to the diseases of europe. this led to some villages being almost completely wiped out and some tribes destroyed.