Which was a major result of the struggle for africa by european powers between 1880’s and world war 1

Which was a major result of the struggle for Africa by European powers between the 1880's and World War I?

The choices are:  

-An increase in the slave trade  

-The strengthening of traditional village ties  

-An increase in tribal warfare  

-The creation of arbitrary colonial boundaries

Arbitrary colonial boundaries

b is the correct answer

plz give me brainliest i never get one : (

explanation:

the option which was not a function of missionaries in the northwest was the first one - they established posts for trading furs and other goods.

missionaries were sent around the world to spread religion and their knowledge and others - they were not merchants who sold furs and other goods.