Answer: Well maybe a topic about an important event, public speaking, or a biography.
Explanation: Well As You Know Primary Sources Are What Happened At That Time, Who Experienced It, And If It's Historical. Secondary Sources Are People Who Did Not Experience The Event, They Either Got it From Other Sources Like Books, The internet, ect. So Primary And Secondary Sources are Similar And Different. Like How Primary Sources Are From Someone Who Was There At an Event, And Maybe The Secondary Source Is About the same topic BUT There not the same. The Secondary Source could Have gotten the information from the primary source. Whether there Both on the SAME TOPIC They Are NOT the same. But they are similar. No matter similar or different. There both sources in peoples perspective.