The roosevelt corollary, issued in 1904, was a revision to what earlier statement of u. s. foreign policy? a) the madison treaty b) the monroe doctrine c) the open door policy d) the kellogg-briand pact

The Roosevelt Corollary was a revision to the Monroe Doctrine.

In 1904, Roosevelt decided to conform to former Monroe Doctrine. The corollary was a foreign policy by which the United States will intervene in any conflict between European countries and Latin American countries. This will insure that European claims over Latin American countries will be legitimate and will avoid having the European claims directly.  

the answer is B) the monroe doctrine

uncle sam would be tossing and turning in his grave : *)

lots of people lost money in both