A source directly related to the historical event is:ASecondary sourceBIndirect sourceCPrimary sourceDTertiary sourceAnswer: C. Primary source Read Explanation: A source directly related to the historical event - Primary sourceA primary source is a firsthand account, artifact, or document created at the time of an event or by someone who was a direct participant or witness. It provides an original and unfiltered view of the event, offering raw materials for historical research. Read more in App