The European colonizer looked for more raw materials that were needed to manufacture goods in Europe. While they also needed a new marketplace and Africa helped with that too, that was not the primary benefit that the colonizers got. Africa had a lot of raw materials that were untouched and Europeans used that to their advantage.
the most important skill is that you will need to know about your past for future things. this skill would help if you were a tourist or working in a history museum. i did the best i can hope this helps