Which of the following best describes serfs?

a. peasants who gave their land to the local lords in exchange for protection
b. slaves to the local lord who could be forced off their land without reason
c. the lowest-level vassal in a feudal system
d. peasants who remained free and owned their own land

answer: what was the us involvement in ww1? although the u.s. tried to remain neutral when ww1 broke out, it finally joined on april 6, 1917 after declaring war on germany. the reason for america to become involved in ww1 was germany's unrestricted submarine warfare, which had already sunk several american merchant ships.

explanation:

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