Primary sources exist as authorities of information that was made during the period under study.
Secondary sources exist for everything else. They write/talk around the study but were not made at the time.
The most analysis utilizes both primary and secondary sources. They complement each other to assist you to create a persuasive argument. Primary sources exist more reasonably as proof, but secondary sources demonstrate how your work connects to existing research.
Secondary sources exist as essential to historians because they exist as an important aspect of how historians practice the art of history. These sources exist as the second source of information in that they exist noted by historians who contain earlier studies an occasion that another scholar may like to bring up for investigation.
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