Daga shekara ta 1230, Cortes na Leon da Castile sun haɗu, kodayake ikon Cortes yana raguwa. Prelates, masu daraja da talakawa sun kasance sun rabu a cikin jihohi uku a cikin Cortes. Sarkin yana da ikon kira da kuma sallama Cortes, amma, kamar yadda sarakunan Cortes suka jagoranci sojojin da kuma kula da aljihu, Sarki yakan sanya hannu kan yarjejeniyoyi tare da su don zartar da takardun kudi don yakin basasa a farashin sarakuna da Cortes. Tambaya: Menene ya haifar da tsarin Cortes?
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