"a(n) is a formal, rationally organized social structure with clearly defined patterns of activity in which, ideally, every series of actions is functionally related to the purposes of the organization."

A bureaucracy

Explanation:

A bureaucracy is a formal, rationally organized social structure with clearly defined patterns of activity in which, ideally, every series of actions is functionally related to the purposes of the organization. Bureaucracy is also defined as a complex organization of departments, bureaus, and agencies composed of appointed officials that carry out the day-to-day operations of the government.

where is your diagram?

european feudalism was a combination of legal and military customs in medieval europe that flourished between the 9th and 15th centuries. broadly defined, it was a way of structuring society around relationships derived from the holding of land in exchange for service or labour.

japanese feudalism. the era of feudalism in japan took place from the 12th through 19th centuries. during that period local rulers, either powerful families or military warlords, dominated the land, while the emperor was merely a figurehead and not a significant political presence.