The story tells the struggles of the Great Depression, and how they had to leave their Oklahoman home and how they had lots of financial struggles.
The two most controversial issues surrounding immigration today are 1) Whether those who are already in the United States illegally should be deported back to their homeland, and 2) Whether allowing more immigrants into the country will hurt Americans' prospects of finding employment.
In WW1 Japan was a growing empire trying to take more land and get more resources to become a world power. Imperialism is the main reason they entered WW1.
The answer to the question is the meso- indians
