How does the Johnson Home demonstrate change in our nation’s history? How important are primary sources when it comes to learning about the past? What do the artifacts in Andrew Johnson’s home tell us about the life of the former president? Why are National Historic Sites important? Objective Students will be able to identify three changes throughout the history of the Andrew Johnson Home. Students will analyze objects found in the home and make inferences about Andrew Johnson and his family based on the artifacts. Students will be able to describe three aspects about life during the 19th-cent Duration: 60 Minutes.