There have been many changes of migration but the patterns have not changed.
due to migration there is no particular place.
Migration
migration and hibernation
Migration to the west.
Seasonal changes and food resources .
A sever drought forced many to migrate west.
A severe drought forced many to migrate west.
A severe drought forced many to migrate west.
the migration of americans from the rust belt to the sunbelt
Yes
no there hasn't
yes