What term means to move to a new place, as ice age people did?

In terms of what will happen, it is most likely humans will survive as we have been doing the last 200,000yrs through many glacial periods. The main affects we will see today would be mass migration, mass starvation and possible wars and infighting for recourse mainly food and fresh water.

Explanation:

answer; i believe the correct answer is (favorable balance);

they died because of a disease during the first spanish colonies.