<span>im Crow law, in U.S. history, any of the laws that enforced racial segregation in the South between the end of Reconstruction in 1877 and the beginning of the civil rights movement in the 1950s.</span><span>Mar 31, 2017</span>
I believe it was C. I could be wrong though.
hope i helped
Gibbon is able to make this claim since he shows that technological advances have skyrocketed since the Industrial Revolution, and he thinks this progress will continue thanks to the computer age.
Mostly it was exhaustion, lack of supplies, new diseases (and old disease that became more common.) Also cold weather, bandits, and oxen dying on the trip.