Answer:
I think the answers are Racial differences, Fear of losing jobs, and Religious differences.
Explanation:
I crossed out Dislike of Union goals because I think that even though they were different races and ethnicities, many were getting treated the same by their employer and probably agreed on the same solutions and goals. I also crossed out Dislike of temperance groups.
I hope this helps! Correct me if I am wrong.
Reason why the partition of Africa create artificial boundaries is because the colonial European powers practically randomly drew lines on a map in order to divide up territory--not taking into consideration the tribal boundaries and local affiliations of the native populations, which were incredibly diverse.
