6 agreement by which a knight agrees to be a sub-vassal to vassal in exchange for land
Answer:
I believe that the Atlantic slave trade contributed to conditions that eventually led to the Haitian revolution by resulting in African slaves making up the vast majority of St Domingue's population thus giving them strength in numbers to overthrow a slave system and form their own sovereign government.
The answer is d I think but not sure
They were drastically different. Hopes this helps