Under the Roosevelt Corollary to the Monroe Doctrine, President Theodore Roosevelt asserted that the United States%0D%0A%0D%0A%0D%0AA. %0D%0Ahad the duty to support democratic countries in conflict with fascist countries.%0D%0A%0D%0A%0D%0AB. %0D%0Amust act as a good neighbor and not interfere in other countries’ affairs.%0D%0A%0D%0A%0D%0AC. %0D%0Amust protect its sovereignty and refrain from joining international alliances.%0D%0A%0D%0A%0D%0AD. %0D%0Ahad the right to exercise police power and intervene in other countries.

D. had the right to exercise police power and intervene in other countries.