Brainliesttt describe the following categories of the music of the middle ages. -gregorian chants: -minstrels: -troubadours:

Gregorian chants was a tradition of the west in the Roman Catholic Church that was a monophonic, unaccompanied sacred song. (see picture 1)

Minstrels: was a type of instrument similar to a present-day guitar, in that it had multiple strings and a rounder base. Typically it was used during festivals and other celebrations. (see picture 2)

Troubadours: Also a stringed instrument, it was usually used unaccompanied, and were great for traveling, allowing it and musicians to influence a wide range of territory.

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hope this helps

b: to eliminate competition from other farmers