One advantage that Europeans had over Africans during the slave trade was...

One overwhelming advantage was the Europeans' technological superiority. The Maxim gun, invented in 1884, was the world's first automatic machine gun.

i think option 3. would be ur best bet and u need to write it urself

have a good day

the noble might have thought that the system was far because they had lot of things and riches and the serf would have thought that the feudal system was un fair because of the way they were treated.