Answer:
The answer to this question is A
I Believe the last nation to outlaw slavery in Latin america was Brazil.
Answer: A vassal was given the rights to control the fief and to have ownership of it.
A knight may serve a serf in exchange for horses.
The two statements chosen above are not true. The vassal does not have the right to control or even own a fief and the knight also cannot serve a serf in exchange for horses or anything. these arent true thought so that narrows down?
1)human resources
2)natural resources
3)capital
4)technology