How did feudalism work? select all that apply.
a lord would be given land by the king in return for homage or a promise to serve the king when called upon.
a knight would be given a fiefdom by a vassal and act a part of a standing army for the vassal.
na serf would be given a fiefdom by a knight and protect the lands outside of the castle walls.
avassal depended on the agricultural production of serfs to feed the whole system.
aking would hire a vassal to provide an army and political advice during times of war

ok

explanation:

the correct answer is a) egypt and china.

egypt and china are two of the world’s oldest civilizations known by man. both ancient empires have left a great historic and cultural legacy to the world through archeology. both civilzations developed complex social relations, had deep religious beliefs, had dominion of agriculture and left writing records to understand their customs and culture.

among the requirements to consider a civilization, we find urbanization, writing records, a place of residence, agriculture methods, technological specialization, means of transportation, currency, population density, social stratification, and political integration.