I believe the answer is that European powers drew up new political borders in the region without consulting political, cultural, or historic realities.
Plantation of tobacco and sugar cane
I believe the answer is: proximodal trend
Proximodal trend refers to the period when children started to develop more specific muscle/ motor skills.
For people in general, our upper body tend to be developed at much faster rates compared to our lower body, which cause infants having to crawl first before they are able to walk.