https://www.eladelantado.com/
The adelantado also facilitated diplomatic relations with neighboring territories. Through negotiations and alliances, they expanded the reach of Castile’s influence, promoting peace and cooperation where possible. By managing relations with local nobles and other influential figures, the adelantado helped to secure allegiances that would benefit Castile’s territorial ambitions. These diplomatic efforts were crucial in a time when military conquests were often complemented by strategic marriages and treaties.