Which group settled the area of hungary in the middle ages

What is the main social system that existed in ancient china?

What does munich’s refer to in the 13 days

How were the okanogan highlands formed? a. by subduction, which caused huge folds in earths surface b. as a result of retreating glaciers carving great valleys into the earth c. when molten rock from under the earth approached the surface d. when the collision of volcanic island chains and ocean rocks formed new earth