They didn't want him in there
Rapid inflation, cyclical unemployment, war, hurricanes, and floods are all examples of non-diversifiable risk
This is a kind of risk that affects the macro economy or large numbers of persons or groups within the economy and as a result cannot be eliminated via diversification
The main way in which the principle of the Roosevelt Corollary was different from that of the Monroe Doctrine was that the former forced Latin American countries to behave properly, while the latter discouraged foreign intervention in the Americas.