Definitely The Grand Army of the Republic
Answer:
Archduke Ferdinand was from Austria-Hungary
Nutrient-rich soil for farming
If you remember, a lot of Okies went to California during the Depression because they had "ruined" the land to the point they couldn't use it anymore
Answer:
NVA
Explanation:
https://www.answers.com/Q/Who_were_South_Vietnamese_who_supported_the_North_Vietnamese_during_the_Vietnam_War