Answer:
Fortified Settlements
Explanation:
A castle is a type of fortified structure built during the Middle Ages predominantly by the nobility or royalty and by military orders.
This is geography not math
Equality, people had their own place in the social structure
•Humans (biosphere) built a dam out of rock materials (lithosphere). Water in the lake (hydrosphere) seeps into the cliff walls behind the dam, becoming groundwater (lithosphere), or evaporating into the air (atmosphere).