If you're referring to new non-European states that have risen since the Cold War Ended, then the effect has perhaps been minimal in terms of their daily lives, but if they have close relations with the US it would mean a stronger connection.
Answer:
Correct answer is C. oil
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Explanation:
Option C is the only correct option as reasons for this drastic drop were pretty simple. During the 1980s the need for oil has been reduced, while on the other side the production has increased. Because of that the prices went down as it was impossible to sell all the oil that we had on the market.
All other options are false as the prices of this products didn't change drastically in that period,
B. the US military was racially desegregated by President Truman
King Ferdinand and Queen Isabella of Spain sponsored Christopher Columbus's first voyage in 1492.
Hope this helps :)
