Question: The Battle of San Roque was part of the Argentine Civil War, the Federalist forces of Córdoba Province governor Juan Bautista Bustos were defeated by which forces of General José María Paz, who were the proponents of the concept of a unitary state (centralized government) in Buenos Aires during the civil wars? 
Sentence (from "Unitarian Party"): They were opposed to the Argentine Federalists, who wanted a federation of independent provinces.
Relevant evidence: No