Because it allowed the people to trust their leader if they all supported chritianity, because then they could all relate spiritually. Hope this helped :P
Answer:
The field of political economy is the study of how economic theories such as capitalism or communism play out in the real world. Those who study political economy seek to understand how history, culture, and customs impact an economic system
Secretary of war is the answer
Feudalism was a combination of legal and military customs in Medieval Europe and Medieval Japan. It was a system of structuring society around relationships which were based on the holding of land in exchange of labor and service. This encompasses the wider society. A peasant was protected by his lord who would give him housing and security and the peasant would work on the lord's land. This is a typical example or characteristic of feudalism.