The answer is true, in fact every part of the us except for 13 states were territories
The dominant social system in medieval Europe, in which the nobility held lands from the Crown in exchange for military service, and vassals were in turn tenants of the nobles, while the peasants (villeins or serfs) were obliged to live on their lord's land and give him homage, labor, and a share of the produce, notionally in exchange for military protection.-definition of feudalism
I think its C hope this is helps you
D.) a wide variety existed, would be the best choice given that Native American inhabitants of Texas varied drastically depending on environmental conditions, as Texas is a pretty large region made up of differing levels of water availability as well as other resources