You can learn about the past and how you can improve on what happened in the past so it won't happen in the future
Slaves from africa where brought to the americas to mine and work in farms
Because volcanoes tend to be along fault lines, tectonic plates
The western end of the railroad in 1858 was St. Louis.
So that history does not repeat itself. By educating others on the horrific events that have occurred in the past, we can learn from it and work to avoid it from reoccurring. Hope this helps answer your question!
