Answer: Encyclopedia article about William Penn
Explanation: All the other sources are directly made by the people of that time period, making them primary sources. The encyclopedia article is not directly made by William Penn or people of that generation, so it is a secondary source.
The secondary source is an Encyclopedia article about William Penn, Thus, option (a) is correct.
What is secondary source?
The term “secondary sources” refers to writings that evaluate, interpret, or analyze a historical event, period, or phenomena, typically using primary sources in the process. Secondary sources may include books, journals, and magazines etc.
All the other sources are primary, since they were created by individuals who lived during that era. The encyclopedia article about William Penn or members of that generation directly, making it a secondary source.
As a result, option (a) is the accurate.
Learn more about on secondary source, here:
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