A) varied
Varied/variety means there's many, which is said in the next sentence.
The did enter Africa for their own personal gain yes i dont not believe that powerful countries should be allowed to enter weaker countries because they can take what little they do have and steal it to make them more powerful.An example would have been the British because they went and tried to take over other countries.
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Explanation:
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Common problems in case study analysis
Identify the real problem, focusing on describing the case study situation and missing the underlying issues.
Separate the strategic management issues form the operational issues.
Identify for whom the issue is a problem.
Examine possible alternatives.
Explanation: