Experts point to the impact of certain physical features, such as landforms, climates, and natural vegetation. ... If you live in the mountains, you're likely to develop a particular culture that adapts to life at a high altitude.
Because there have been many invasions the correct answer would be C. The invasions would have brought many different ethnic groups into the area.
Oh, yeah? Then why'd you post this, hmm?
The presence of a mountain range could isolate the gene pool of the species which would likely change or mutate characteristics may arise in the species. <span />
Answer:
A breakdown in trading alliances change or loss of local culture a decrease in avilable jobs
