RELATIONS OF THE UNITED STATES TO CUBA.
Early difficulties with Spain-Threatened interference of
the Holy Alliance between Spain and the revolting colo-
nies-This leads to the Monroe doctrine-The United
States gives warning to European powers-Mexico and
Colombia warned to keep out of Cuba-The United
States guarantees Spain's title to Cuba-Secretary Ever-
ett's ultimatum-Offer to purchase Cuba-The Black
Warrior affair-The Ostend conference-Buchanan's