1.a) What are primary sources?
Primary sources are sources that come from people in the past who were involved or who had witnessed in the scene. There are 4 types of primary sources, oral, pictorial, written and artefacts.
1.b)What are secondary sources?
Secondary sources are sources that come from people who were not involved in the scene but had written in diaries or journals by information from researches and investigations.
2. How do historians make sure that their sources are reliable?
To make sure that historians' sources are reliable, they must make use of the three Cs test, Consistency, Corroboration and Credibility.
3. Why and when is it necessary for historians to revise their interpretations of past events?
It is necessary for historians to revise their interpretations of past events because they can gain knowledge from those interpretations and learn from them.They also can make use of the interpretations for present inventions.
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