When one reads "the real purpose of the Congress was to divide amongst the conquerors the spoils taken from the vanquished." It is quite simple to interpret the Words of Gentz to simply answer that the True purpose of the Congress of Vienna was:
4. to divide Europe among powerful monarchs
So the Answer to this question is option 4
Enslaved people built the country's early infrastructure and produced lucrative commodities such as cotton and tobacco. After emancipation, African American labor was crucial in industry, agriculture, and service.
Last, in the Soviet Union, the failed August Coup in 1991 led to the end of the Communist party in USSR. All of these events led to the end of communism and the making of a democratic Russia. 1982-1991- President of USSR. Hope it helps