WILL GIVE BRAINLIEST + 10 PTS
Which statement best describes manorialism?

a. All the serfs of a vassal lived in the feudal lord's house or castle.

b. A manor was a trading center located inside a castle.

c. Each serf lived in a manor built near a feudal lord's castle.

d. Serfs and freemen worked the land surrounding the feudal lord's house or castle.

d

Explanation:

serfs and freemen grew and picked the crops as well as maintained the area around

i believe the answer is:   psychological  experiment

in this experiment, wilhelm wundt became the first person that implement scientific method in analyzing the pyschological phenomenon.

due to this result, wilhelm wundt also able to make psychology to be acknowledged as a separate scientific field from biology.