I think Cuba and Puerto. I'm not sure. this is new to me.
The issue that caused sectionalism to develop were more geographical. It is mainly because the people in the North was growing more into an industrialized society, that is why they had industrial interest, whereas the South are more focused on their agricultural development.
What diary are you talking about. Are you talking about Anne Frank?
Europe had a strong desire for land, power, and cheap resources to run their industries. They also wanted to convert much of the world to Christianity.