[[File:Banner of arms crown of Castille Habsbourg style.svg|thumb|upright=0.55|<center><hr />[[Iberian Peninsula|IberianIberijska]] territory ofteritorija [[Crown of Castile|Krune Kastilje]]. [[File:Crown of Castile.png|90px]].<hr />OverseasPrekomorska northseverna territoryteritorija ofKrune Crown of CastileKastilje (NewNova SpainŠpanija andi PhilippinesFilipini) [[File:Mapa del Virreinato de la Nueva España (1794).svg|120px]]<hr />OverseasPrekomorska southjužna territoryteritorija ofKrune Crown of CastileKastilje (PerúPeru, NewNova Granada andi Río de la Plata) [[File:SpanishSouthAmerica.png|70px]]</center>]]
TheKatolički Catholic Monarchsmonasi [[Isabella I of Castile|IsabellaIzabela ofod CastileKastilje]], Queen ofkraljica [[Crown of Castile|CastileKastilje]] andi hernjen husbandmuž [[Ferdinand II of Aragon|Kingkralj FerdinandFerdinando]], King ofkralj [[Crown of Aragon|AragonAragona]], pursuedvodili asu policypolitiku ofzajedničke jointvladavine rulesvojih ofkraljevstava theiri kingdomsstvorili and created a singlejedinstvenu [[Monarchy ofŠpanska Spainmonarhija|SpanishŠpansku monarchymonarhiju]]. EvenIako thoughsu CastileKastiljom andi AragonAragonom werezajedno ruledvladali jointlynjihovi bymonarsi, their respective monarchs,oni theysu remainedostali separateodvojena kingdomskraljevstva. TheKatolički Catholicmonarsi Monarchsdali gavesu officialzvanično approvalodobrenje forza theplanove plansđenovskog of Genoese marinerpomorca [[ChristopherКристифор Колумбо|Kristofora ColumbusKolumba]] forza aputovanje voyageu toIndiju reachplovidbom Indiana by sailing Westzapad. TheFinansiranje fundingje camestiglo fromod thekraljice queenKastilje, oftako Castile,da sose theprofit profitsod fromšpanske Spanishekspedicije expeditionpretočio flowedu to CastileKastilju. InU theproširenju extensionšpanskog ofsuvereniteta Spanishna sovereigntynjihove toprekomorske its overseas territoriesteritorije, authorityvlast fornad expeditionsekspedicijama of discoveryotkrivanja, conquest,osvajanja andi settlementnaseljavanja residedpripadala inje theu monarchymonarhiji.<ref>Ida Altman, S.L. Cline, and Javier Pescador, ''The Early History of Greater Mexico,'' Pearson, 2003 pp. 35–36.</ref>
