The center of musical development during the medieval period was feudalism the individual religion society

The correct answer is - the religion.

Explanation:

The medieval time period is lies between 500 A. D. to about 1400. It was the period where musical notation and polyphonic music is born in the late medieval period. In the early medieval time period, the music was monophonic which means it has one melodic line in it.

During this time period, the music was religion as the melodic monophonic music was dominant such as Gregorian chants, other sacred vocal music was also found during the Medieval period.

Thus, the correct answer is - religion.

a lot ig i am not sure