Answer:
Crusading had become more expensive by the end of the 13th century. A Crusade army used to be made up of knights who served under a lord and paid for their own expenses. Many nobility sought royal service as a result of economic difficulties. As a result, royal armies became more professional, and many knights and foot troops were paid to serve. Furthermore, with the expansion of royal authority, major Crusades could no longer be cobbled together by feudal lords, but were increasingly reliant on kings, who were prone to being distracted by domestic affairs.
Step-by-step explanation:
This is plagiarism free. I give you permission to use these exact words. lol dont know if this helps