The correct pairings are:
- African Union: resolve conflicts in sub-Saharan Africa
- COMECON: promote trade in Communist Eastern Europe
Here's a brief breakdown of each organization mentioned:
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The Commonwealth: Primarily focuses on promoting democracy, development, and cultural ties among member nations rather than specifically promoting economic advancement in Asia.
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African Union: Correctly aligns with the mission to resolve conflicts and facilitate peace in sub-Saharan Africa.
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Warsaw Pact: Its primary function was to establish a military alliance among Eastern Bloc countries, rather than actively preventing the spread of Communism, which was more so the objective of NATO.
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European Union: While addressing various issues, its functions are broader than just resolving border disputes.
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COMECON: It was established to promote economic cooperation and trade among Communist states in Eastern Europe.
Thus, the best responses are the African Union and COMECON pairings.