Question: Mexican general, Gregorio Ruiz, fought against the ensuing empire of the younger brother of the Austrian emperor Francis Joseph I, the only what of the Second Mexican Empire?
Sentence (from "Gregorio Ruiz"): He participated in the pacification campaigns of Puebla and Oaxaca in 1876, and in Tepic and Sinaloa in 1877 and 1888.
Relevant evidence: No