Answer:
Explanation:
A feudal contract was an exchange of pledges established by custom and tradition that created the economic and political relationship between lords and vassals, or lesser lords. It was based on an exchange of land for loyalty and military service. ... A fief was an estate bestowed upon a vassal by a greater lord.
Serfs who occupied a plot of land were required to work for the lord of the manor who owned that land. ... Serfs were often required not only to work on the lord's fields, but also in his mines and forests and to labor to maintain roads.
Explanation:
Paleontology is the study of the history of life on Earth as based on fossils. Fossils are the remains of plants, animals, fungi, bacteria, and single-celled living things that have been replaced by rock material or impressions of organisms preserved in rock.
You are correct, that's what started WW1
