Concept:
This matching exercise tracks major global political shifts during the mid-to-late 20th century, involving revolutions, coups, and the end of the Cold War.
Step 1: Analyzing 1970s Power Shifts.
• A. Iranian Revolution (1979): Also known as the Islamic Revolution, it resulted in the overthrow of the Pahlavi dynasty and the establishment of an Islamic Republic under Ayatollah Khomeini. (A-III)
• B. General Pinochet in Chile (1973): General Augusto Pinochet rose to power following a US-backed military coup that overthrew the democratically elected socialist president Salvador Allende. (B-I)
Step 2: Analyzing the Collapse of the Eastern Bloc.
• C. 'Solidarity' in Poland (1980): Founded at the Gdańsk Shipyard and led by Lech Wałęsa, this was the first independent trade union in a Soviet-bloc country, becoming a major catalyst for the fall of communism in Eastern Europe. (C-II)
• D. USSR Dissolution (1991): Following years of internal stagnation and ethnic unrest, the Soviet Union was officially dissolved in December 1991, marking the formal end of the Cold War. (D-IV)
Step 3: Final Sequence.
Matching A-III, B-I, C-II, and D-IV aligns with Option (3).