The correct answer B) limited local autonomy.
An effect of the nationalist movement in the Basque region has been limited local autonomy.
The Basque region in Spain has had many separatist movements based on nationalistic ideas. One of the most recognizable separatist movements of the region was ETA, formed by Basque nationalist in 1959. The Basques have their own language, culture, and tradition, that was limited in times of Dictator Franco.