The thirty-eighth president Gerald Rudolph Ford. It was a deal Made between him and Nixon. If Ford Pardon him he would be president.
When Madero was murdered in February 1913, Carranza drew up the Plan de Guadalupe, a purely political plan to oust Huerta. Carranza became the leader of northern forces opposed to Huerta. He went on to lead the Constitutionalist faction to victory and become president of Mexico.
The answer is "theory". It's a possibility that's neither fact or opinion.
