1. What is Collective Security and how did this concept limit US overt military interventions in Latin America? 

2. What was the significance of the Truman Doctrine and how did it establish rules of engagement/confrontation between the US and USSR? How did the Truman Doctrine influence US policy towards Latin America from 1945-1953?

3. Explain why National Security Doctrines were established in Latin American Countries and how the National Security Doctrine play out in Chile?

4. Explain the cyclical relationship of USSR support for guerrilla groups in Latin America during the periods 1959-62, 1962-1979, 1980-1989. 

5. Briefly explain how overtime the internal conflict in El Salvador led to a proxy war, and also explain, how this conflict finally ended.