The answer is: the attack on the Moncada barracks.
Fidel Castro launched a failed attack on the Moncada Barracks in 1953 to overthrow Cuba´s president, Batista, which led to Castro´s imprisonment for a year. After the attack, many leaders were exiled, which was not the case of Fidel Castro, who was imprisoned. However, after his year´s imprisonment he traveled to Mexico, on what could be considered a self-imposed exile given the political conditions in Cuba at that time. From Mexico he gathered a group of followers that formed the Cuban revolutionary movement which eventually would overthrow the government of Batista
No relationship is established with the thought that it will end with heartache Unilateral and indirect. Intrapsychic stage begins with one partner who is dissatisfied and secretively searches for a way to "fix" the relationship