The plan was for each of the kingdoms ruled by Philip to contribute equitably to a fund from which 140,000 troops would be maintained for the defense of the monarchy.[3] The plan was "a thinly disguised attempt to integrate the fiscal institutions of the empire [that] prompted much opposition in the Indies."[4][5][6]
Although the proposal ultimately failed, it was an important factor in the growing mistrust of Castilian hegemony that led to the Reapers' War in Catalonia and the Portuguese Restoration War.
^J.H. Elliott, The Count-Duke Olivares: The Statesman in an Age of Decline. New Haven: Yale University Press 1966, pp. 244-77.
^I. A. A. Thompson, "Castile, Spain and the Monarchy", in Spain, Europe and the Atlantic (Festschrift for J. H. Elliott), edited by Richard L. Kagan and Geoffrey Parker (Cambridge University Press, 1995), pp. 147-148.
^Colin Pendrill, Spain, 1474–1700 (Oxford, 2002), p. 137.
^Kenneth J. Andrien, "Unión de Armas," in Encyclopedia of Latin American History and Culture, vol. 5. p. 293. New York: Charles Scribner's Sons 1996.
^Fred Bronner, "La Unión de Armas en el Perú: Aspectos políticos-legales," in Anuario de Estudios Americanos 24 (1967)pp. 1133-1176.
^Jonathan I. Israel, Race, Class, and Politics in Colonial Mexico, 1610-1670. Oxford: Oxford University Press 1975, pp. 178-80.
^Propositie gedaen aen de Staten van Braband door Don Diego van Mexia (n.p.d.). Available on Google Books.