For a fistful of pesetas? The political economy of the army in a nonconsolidated democracy: the Second Spanish Republic and Civil War (1931–9)

Study: Spanish officers in Republican-controlled territories were more likely to remain loyal to the government during the Spanish Civil War if they had gained from military reforms in the years before the civil war and had more rapid promotions in the months predating the war.

User smurfyjenkins, in the International Relations subreddit, 02 Aug 2019