What natural barriers prevented Europeans from navigating Africa's rivers? rapids, cataracts ... Identify three factors that contributed to the Europeans' conquest of Africa. ... What fact/motive about/behind European imperialism offset any positive effects? it only benefited European business interests, not African lives
After the second atomic bomb
The likely effect of such trail lines that were left by pioneers migrating to the west were that people who moved there afterrwards were able to derive information regarding where it was relatively safe and where territory has been charted and mapped before. This enabled a little certainty in areas of great danger.