That answer is no where near being close. In the late 1800's the were starting to be able to go to public schools even though they still had to work in factories.
Wagon trains were caravans of covered wagons each wagon pulled by horses. This is the type of caravan that saw used traveling the orogen trail and by other settlers moving west across the united states. Played the computer game "Oregon Trail" to get a realistic idea of what life on a Wagon Train may have been like...."Oops you died of starvation."
It would be A. Adding machine it was invented in 1642.
C he was very outspoken about state rights