PBS has lesson plans for several of the historical periods you mention. You might check the PBS Teachers' site (http://www.pbs.org/teachers) for more information.
Especially, look for Reconstruction: The Second Civil…"
Be sure to check C-SPAN Classroom (http://www.c-spanclassroom.org/). It's a great resource with a lot of lesson plan ideas, free giveaways (be sure to get the American Presidents Timeline poster), and other helpful…"
"We've bought into some US and World History Google Earth content, so we have been using Google Earth pretty frequently. In these lessons, students use the generic yellow "place markers" to locate cities, etc. They also…"