if the nation in question is America then the reason why our society has much more to offer than other society is because American society has the largest diversity than any other nation.
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Answer:
the U.S. had withdrawn all its troops, the fighting in Vietnam. South Vietnam officially surrendered to North Vietnam on April 30, 1975.
The black panther party
and one malcom x's im not 100% sure tho
I believe that although the constitution has not changed much since it was written, but I do believe that however, the interpretation of the constitution has changed over time. I believe that the Founding Fathers would be a little shocked if they were to travel through time and see how the US is right now.