Answer:
Roosevelt was concerned that some Latin American countries were not paying debts they owed to European countries. He thought the Europeans might come across the Atlantic Ocean and use their military to force Latin American countries to pay back their debts.
I believe that the subject was the American colonies
They got it from india. hope this helps :3
The Louisiana Purchase of 1803
I believe the answer is A. that's the only one that makes sense. I'm sorry if it's wrong.