United States history is filled with the migrations of people for opportunity.

Resulting in a migration of people to cities for jobs and income.

The migration of highly educated people from poor nations is increasing.

However the increase has not been due to natural growth but the migration of people into the area.

This migration of people and food began 30 years ago, but gained momentum only recently.

The largest migration of people in world history before the 20th century was the Atlantic slave trade.

A steady migration of people away from the darkness has drained the population even further.

The Republic started the migration of people from its southern counties and islands.

It involved the migration and resettlement of close to or over 20 million people.

There was a sudden migration of people, all going in one direction.