European countries turned towards Asia and Africa continents.

1)       During the first half of 19th century, there was an increasing demand for colonization among the industrial nations in Europe.
2)       The industrial nations were in need of external market for their industrial products.
3)       The less developed countries of Asia and Africa provided an opportunity for market as well as source of raw materials.
4)       The European nations also believed that they were racially superior to the nations in Asia and Africa.

5)       Therefore, with a view to smooth marketing opportunity, the European nations, turned towards Asia and Africa.