In the late nineteenth century the main reasons for the attraction of Europeans to Africa were as mentioned below:
(i) There were vast resources of land and minerals.
(ii) Europeans hoped to establish plantations to produce crops’
(iii) They wanted to control mines to produce minerals for export to Europe.

for more answers vist to:
https://www.tiwariacademy.com/ncert-solutions/class-10/social-science/history/chapter-1/