What surprises Olney about the behavior of the US government ?

In a landmark extension of the Monroe Doctrine, Olney declared that the United States regarded any dispute between a European colony in the western hemisphere and any sovereign Latin American state as a matter of American national interest. The United States insisted that Britain submit the matter to arbitration.

1 > george s. boutwell

2 > general ulysses s. grant

3 > james a. garfeild

4 > adolph e. borie