Control, complete government control
Most archaeologists think that they came from across the Berring Sea over the ice
from Russian/Europe and made their way through North America.
Answer:
b) a period of artistic achievments occur
Explanation:
it cant be '' a) silk road shut down " because they were trading with the eurobeans allready it can't be "option c" because there wasnt really much influence related to art literature and for the last option there were allready many wars , so its option b
if I remember correctly it's the Sumerians