How was the Constitution approved?
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Correct!
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Correct answer to question 18 (Government, Legislation and Citizen Participation): By referendum.
Explanation
The Constitution was approved in a referendum on 6 December 1978, with 88% of votes in favour.
The question in Spanish, as it appears in the exam
¿Cómo se aprobó la Constitución?
Updated: November 2026