They (Africans) were driven by their homelands.
Effect --> They conquered others + created powerful states up north.
The process by which people concentrate on particular skill areas to compensate for losses in other areas is called selective optimization. It is a common occurrence in people where they tend to focus more on what they know they are good at and continue improving that area.
<span>They are "utilizing a cross-case method approach
and grounded theory".</span>
Grounded Theory<span> is an inductive strategy. Albeit numerous call
Grounded Theory a subjective strategy, it isn't. It is a general technique. It
is the methodical age of hypothesis from efficient research. It is an
arrangement of thorough research strategies prompting the development of
applied classifications.</span>
