Answer:
Roosevelt announced that the United States would prevent Latin American countries from unauthorized actions, is the right answer.
Step-by-step explanation:
Latin American countries newly joined the United States following the Second World War. For installing its headquarters in South America, the United States declared independence all the lately developed countries. Notwithstanding vast reserves and evolved manpower consolidated with the increasing vitality of the U.S. This strength assisted in checking all the illegal actions in the newly formed Latin American.