““One thing the army didn’t do very often was swoop in to deflect Indian attacks on wagon trains of settlers—there weren’t that many such assaults. Between 1842 and 1859, about thirty thousand Western emigrants died while en route by wagon train, but fewer than four hundred were killed by Indians. The wagon train death rate was 3 percent, compared to the 2.5 percent average among all Americans. Ninety percent of wagon train fatalities came from disease, with cholera the leading cause.””
