Answer:
Monroe Doctrine
Explanation:
If your question is set in the 19th century, the it would be about the effects of the Monroe Doctrine in which the U.S. would not allow any European powers to colonize or influence
any Latin American countries and doing so would be shown as an act of aggression towards the United States, dont know if this is the answer your looking for but I hope it helps
The Chinese worked on railroads when they migrated to america
Humans originated from Africa
Answer:
All Jews in Spain had to convert to Christianity or leave the country.
