on 25 july 1390, charles named joanna as his heir to navarre. yet in 1397 his son, charles, would be recognized as heir to navarre. as king, his politics were peace with france, castile, aragon, and england, support for the avignon papacy, and matrimonial alliance. he collaborated with castile in a war on the kingdom of granada. by the treaty of paris, he abandoned his claims to champagne and brie and made peace with france.