The fourth one, voluntary exchange
-Their very way of life ascribed to aristocracy, i.e. their homes, way of dress, transportation, etc.-Englishmen, when visiting, considered them equals
The following are TRUE significant facts about the Ural Mountains:
A) The Urals run north and south through Russia.
B) they also form a border between Asia and Europe.
C) they mark the western border of Siberian Russia.
C- Life changes is the one. Your welcome. Thanks ;)