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

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

explanation:

may i ask what challenges?

glass wants to live in a world of super heroes and villains. he have lived all his life trying to be responsible for the creating the origin story of a super hero; he schemed and caused many incidents (many of them fatal) hoping that someday someone with superpowers would show up and save the day.

he knew himself very much. he saw himself as a villain of a real-life super hero story. he was aware of his strengths (more than smart enough for being manipulative and scheming) and weaknesses (having fragile bones and having to rely on his mind to succeed).