Playing as Portugal, I was slowly expanding my TPs into Central America. Then, suddenly (circa 1508), I lost one of my recent TPs to Spain. I marched Camoens up to reclaim the territory, but was not allowed to cross the border without a DoW.
Why can Spain take Portugese territory without a DoW, but Portugal can't do the same to Spain?
Why can Spain take Portugese territory without a DoW, but Portugal can't do the same to Spain?