Most of the migrants in a country once moved from its eastern provinces to its western provinces, but after economic conditions changed, more people began migrating from rural to urban areas. This can be judged to be an example of a migration ________. Most of the migrants in a country once moved from its eastern provinces to its western provinces, but after economic conditions changed, more people began migrating from rural to urban areas. This can be judged to be an example of a migration ________. chain force transition counterurbanization economy