(D) Paintings using the technique of fresco were copied by neighboring countries.
I believe the Berlin Airlift was necessary because Berlin was located in East Germany (a Soviet satellite) and at this time (the cold war) there were geopolitical tensions between the Soviet Union and the United states. so because of this the only viable option to supply west Berlin was to do an Airlift.
Rousseau was a great French philosopher, his contribution to the Enlightenment during the 17th century was that he wrote the Age of Enlightenment about politics, freedom.
The correct answer to this open question is the following.
Although you did not provide any context, reference, or text, we can answer in general terms in order to help you.
Black slaves were obtained from the African interior through the Trans Sharan trade and the Transatlantic Slave trade. Whites striped members of families away to be sold in the Transatlantic Slave Trade. Of course, Equiano did not agree with the methods used because they were cruel. As he described in his book "The Interesting Narrative of the Life of Olaudah Equiano," African slaves were transported to the Americas in overcrowded spaces in ships that crossed teh ocean on a long trip. Inside the ship, the spread of diseases sickened many slaves and killed others.
