All changes saved 21. What is the difference between primary and secondary sources? a. Primary sources are written about an event later by someone who was not there; secondary sources are written or created by people who were actually there. O b. Primary sources are journals or letters from people who lived through an event; secondary sources are written by people who were actually there. O c. Primary sources are things like biographies; secondary sources are things like history books and historical essays. O d. Primary sources are written or created by people who were actually there; secondary sources are written about an event later by someone who was not there.

All changes saved 21. What is the difference between primary and secondary sources? a. Primary sources are written about an event later by someone who was not there; secondary sources are written or created by people who were actually there. O b. Primary sources are journals or letters from people who lived through an event; secondary sources are written by people who were actually there. O c. Primary sources are things like biographies; secondary sources are things like history books and historical essays. O d. Primary sources are written or created by people who were actually there; secondary sources are written about an event later by someone who was not there.