It’s C .
he issued fake bonds and defrauded the state of millions of dollars.
By the end of the 13th century, Crusading had become more expensive. The time had passed when a Crusade army was made up of knights who served under a lord and paid their own way. Economic pressures caused many nobles to seek royal service. Royal armies, therefore, became more professional, and many knights as well as foot soldiers served for pay. Moreover, the rise of royal authority meant that great Crusades could no longer be cobbled together by feudal lords but were increasingly reliant on kings, who were by their nature easily distracted by events at home.
If the general assembly approves it, the United Nations can send in "peacekeepers" to ensure cease-fires in conflict areas, although the effectiveness of this tactic is in dispute.
You can infer that they had a very strong economy because they did not need to expand their own economy. They stole from others.