Portugal's impact on Africa can still be seen today. They helped build some architectural designs like the Fort Jesus.
Some people in africa wear colorful dresses
Some people do brush their horses in Africa.
dynamite fishing, illegal logging, moro ami fishing these are some of the human activities that impact on the thermal environment
Some people can and some can't
Some people in Africa live in huts, some live in ultra modern city apartments.
nothing
Well the question is very vague, but here is some information to think about. No matter where people live, they will have some impact on the environment - some homes have less of an impact on the environment than others. For example, if a house is self-sufficient for energy and water, then less of the habitat will be disturbed in the home's construction and in its lifespan. Part of the problem with people building houses in the woods is that building roads to these places creates fragmentation in the habitat; some species are sensitive to non-contiguous habitat and some animals will get hit by cars. Some more primitive societies still live in the forests of the Amazon more or less harmoniously, but every living thing must kill to stay alive and thus impacts its environment.
Some African states became dependent on the slave trade and European goods
Some were too persistent in the environment so banned for that reason like DDT
South Africa population adapts to their environment. Human have changed South Africa's land though clearing fields for crops, building villages, and minding for oil.
As a heavy metal it is considered to have some negative impact in aquatic ecosystems.