Answer:
A vassal or liege subject is a person regarded as having a mutual obligation to a lord or monarch, in the context of the feudal system in medieval Europe. The obligations often included military support by knights in exchange for certain privileges, usually including land held as a tenant or fief.
Urbanization happened because many occupations, factories, and businesses were located in the same area. People went to urban areas to find work, and therefore, created the need to have more space in urban areas. That is how cities of (urban areas) were formed. The late 1800's introduced the Industrial Revolution and created many jobs for people because of it. This eventually led to urbanization.
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~cupcake
A. Necropolis (this is the answer)
Answer = constitutional monarchy.
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