No; 1917 was not an abrogation of the Monroe Doctrine. Much as I despise Wilson, he knew that he could not ignore the real threat that the public wanted to deal with (not him; he was re-elected [I presume; don’t know how far back stolen elections go at this point] on the craven slogan “He Kept Us Out Of War”), certainly if he valued his political survival.
Much as I despise Wilson, he knew that he could not ignore the real threat that the public wanted to deal with...
Europe often had good reasons for interfering with the independent American nations, usually debt, but that didn’t stop us from warning them off.