What are two things analysis depends on

There is two main kind of historical sources such as:

Primary sources, it may be oral or hand-written, it is generally which is originated in the past, it can be eye witness or chronicle or observer living during a particular historical era.

Secondary sources, on the other hand is the information gathered by someone who did not actively take part in or witness a historical event, secondary sources include such as articles, magazines, popular history textbooks, etc.

Explanation:

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the correct answer is c   with the systems

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