The Butterfield Overland Mail route was the first regular transportation system between the eastern U. S. and the western
frontier, linking St. Louis to San Francisco. Nearly one-fourth of its 2,800 miles were on Texas soil.

Shanti is doing research for a report on the history of the Butterfield Overland Mail route. Which would be a good note to add to her
research?
A.
Between Fort Smith and El Paso, Texas, lay a thousand miles of wilderness.
B.
The stagecoach was an early operation of American Express and Wells Fargo.
After completion of the railroad line, the town grew rapidly.
D.
Traders went out to buy the toughest and fastest horses and mules available.