1) President Roosevelt claims the U.S. does not want to take over any land, as he says: "It's not true that the United States feels any land hunger".
2)Roosevelt says the United States wants stable nice neighbours: "All this country desires is to see the neighboring countries stable, orderly and prosperous".
3)When a nation fails to meet its obligations as a civilized society. As Roosevelt says "Chronic wrongdoing (...) in a general loosening of the ties to civilzed society (..) utimately requiere the intervention by some civilized nation, and in the Western Hemisphere, the adherence of the U.S. to the Monroe doctrine, may lead the United States, to the exercise of an international police power.
4) An international police power is a civlized nation, interceeding into other countries, in order to keep civilization and the western values.