The military coup that started in April of 1974 marked the beginning of what was known as the Carnation Revolution.
Answer:
i think its d.) .. if not im so sorry
Explanation:
Authoritarian governments emerged during great turmoil or economic and social downfall of a nation. The need of great powerful leader would also makes the people look up to such authoritarian leaders that displays powerful charisma and authority that would make them believe that a great change would come under the rule of such people.