David Livingstone was a Scottish missionary, whilst Cecil Rhodes was an English businessman. Both somewhat helped kick start more colonization in Africa, with Livingstone creating a general curiosity of the Nile River, while Rhodes is quoted with starting the British Imperialism in South Africa. Rhodes is technically the founder of South Africa, while Livingstone was a missionary and explorer and was very interested in social justices, such as "rags to riches" and held an anti-slavery stance.
Systematic Observation is a method used to understand how a particular activity or task works. The researcher observes the stages of a process, the tools used, the difficulties that appear, the conversations and the results of the work.
From this method the conclusion is a consequence of the whole process so it is acquired, the whole process of analysis will lead to the conclusion.