The European nations brought the nations in Asia and Africa under their imperial rule.

Ans. 1. The nations in the Asian and African continents were very rich in terms of natural resources. 

2. There were huge deposits of gold, silver, diamonds, iron and coal found in Africa. 

3. The Asian nations were rich in the production of spices. 

4. With a view of taking advantage of their natural resources for their profit, the European nations brought the nations in Asia and Africa under their imperial rule.