Final answer:
The Crusades increased animosity and conflicts between Christians, Muslims, and Jews.
Step-by-step explanation:
The Crusades had a significant impact on the relationships between Christians, Muslims, and Jews.
D. Increased animosity and conflicts
The Crusades led to increased animosity and conflicts between these religious groups. This was due to the wide-scale persecution of Jews, as Christians classed them with infidel Muslims and labeled them as the killers of Christ. Additionally, the Crusades fueled Muslim-Christian hatred and intolerance grew.