What is common between the events in Central America and the South of Latin America in the second half of the 1980s?

The similarities between the events in Central America and the South of Latin America in the second half of the 80s:
1) The revolutionary demolition of the social system
2) Attempts to overcome backwardness
3) Implementation of reforms (agricultural, industrial)
4) Liberation of the continent from American imperialism
5) the transition to democracy
6) Industrialization

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