All of the following twentieth-century migration streams were propelled by persecution or open conflict except

Option e=> Mexicans leaving Mexico.

Explanation:

The term "migration streams" simply means people moving from one place to another place for reasons best known to them. Migration may be from rural to Urban areas, urban to rural areas, urban areas to Urban areas and even rural areas to rural areas.

In the twentieth-century there were several migration streams and some were propelled by persecution or open conflict while some are not.

One of the migration streams that were not propelled by persecution or open conflict is the of "Mexicans leaving Mexico". Their movements or migration was to seek better pasture that is good job and the rest.

E. Mexicans leaving Mexico

Explanation:

Mexicans leaving Mexico in the twentieth-century migration streams were not propelled by persecution or open conflict.

Migration of the Mexicans is the movement of the citizens of Mexicans into other countries due to various reasons except persecution or conflicts.

The countries were most Mexicans migrate to is the United States.

The Major reason which led to the migration was the search for a better job and also the search for a better economic opportunities