Which of the following best explains the historical function of a clustered settlement?

a. Clustered settlements were tightly arranged around manor houses in Europe for the convenience of the serfs who tended the fields and livestock.
b. Clustered settlements were always arranged in a circular pattern around agricultural fields and pastures to protect the crops and domesticated livestock from wild animals.
c. Clustered settleme late were located on planta. tions to house the laborers who were hired to harvest the crops.
d. Clustered settlements were constructed on ranches because they were remote, and it was more efficient to build a village on the ranch than to travel many miles for supplies.
e. Clustered settlements were developed in times of insecurity as a form of defense by farmers to protect themselves from roving bands of outlaws and raiders.

a. Clustered settlements were tightly arranged around manor houses in Europe for the convenience of the serfs who tended the fields and livestock.