Respuesta :
Answer:
D) They act as "artifacts," revealing key information about a time period or author.
The role that primary sources usually play in a research assignment that requires analysis is that D) They act as "artifacts," revealing key information about a time period or author.
What is a Primary Source?
This refers to the type of source that is used in a research work that contains first-hand information about something and is usually reliable.
Hence, we can see that when a research project needs a good analysis to be made, the primary sources are good because they act as "artifacts," revealing key information about a time period or author.
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