The correct answer is a) Africa had an abundance of raw materials for industry.
At the end of the 19th-century, European powers were going through the Industrial Revolution and, therefore, they needed a large number of raw materials in order to supply their increasing industrial production. For this reason, between 1884 and 1885 in the Conference of Berlin all these powers met and decided to partition Africa among them in order to colonize it and exploit its resources.
<span>Europeans saw Africa as a rich source of raw materials to use in industry and as a market for European products of industry. Also, it was felt that having a colonial empire at this time was part of being a European power, in order to be able to compete. Furthermore, some Europeans felt that they were superior to Africans and were therefore justified in conquering what they thought were the backward peoples of Africa.</span>
All of the options here have contributed to the dramatic growth of the Chinese economy since the late 1970s except more efficient long-term economic forecasting by the Communist Party leadership.