It was Alps its located in the south central Europe, they extend for almost 700miles from the coastline of southern france
What mountain range is found in the south central europe ::: ALPS IS THE MOUNTAIN.
They would need food and water so if they settled by a river or coastline they would have access to both food and water plus they could irrigate their crops from the water source
I hope this helps in some way
C because uniformitarianism follows the belief that changes have always happened at a constant rate