| Map Quiz 1 for Chapter 20 | strayermapstimelines_ch20_1.html | 55e9c406757a2ef01d000003 |
| DLAP questions | strayermapstimelines_ch20_1_dlap.xml | 55e9c406757a2ef01d000003 |
| Map Quiz 2 for Chapter 20 | strayermapstimelines_ch20_2.html | 55e9c406757a2ef01d000003 |
| DLAP questions | strayermapstimelines_ch20_2_dlap.xml | 55e9c406757a2ef01d000003 |
| Timeline Activity for Chapter 20 | strayermapstimelines_ch20_3.html | 55e9c406757a2ef01d000003 |
| DLAP questions | strayermapstimelines_ch20_3_dlap.xml | 55e9c406757a2ef01d000003 |