A “united” form of this language was codified at the Sanctuary of Arantzazu. An organization uses a motto in this language that translates to “keep up on both.” Schools called (15[1])ikastola were set up to teach this language. Medieval songs were written in this language (-5[1])about battles between its speakers during the War of the Bands. (15[1])A faction named for their unique wool hats clashed with speakers of this language for control over silver mines in one city. (-5[1])Speakers of this language owned and operated the Royal (*) Gipuzkoan Company. (10[1])A pidgin based on this language was spoken in Iceland, (10[1])where speakers of this language hunted whales. Restrictions on this language by the government of Francisco Franco sparked the creation of the ETA. For (10[1])10 points, name this language isolate spoken by a community in northern Spain. ■END■