The correct answer to this open question is the following.
Although there are no options attached, we can say the following.
Explain the causes and effects of the second wave of European conquests.
According to some historians, the second wave of European conquest started in 1750 and went up to the beginning of the 1900s. The region targeted by the European superpowers were Asia, the Islands of the Pacific, and Africa. And it was not only the European nations. This time, it also included the imperialistic ideas of the United States government and Japan.
One big factor that decided the split of Africa was the Berlin Conference in 1885. The result was commonly known as "The Scramble for Africa." Great Britain, Germany, France, the Netherlands, and Portugal split the territory and create new borders in order to colonize Africa. What they really did was to exploit teh many raw materials and natural resources for big profits.