a.
Cattle trails ran east-west, and most railroads followed their routes because the railroads needed to bypass major towns.
b.
Cattle trails ran north-south, and most railroads followed their routes to bring much-needed supplies to America’s expanding southwest.
c.
Cattle trails ran north-south, but most railroads ran east-west to enable people and supplies to move quickly across the plains and mountains.
d.
Cattle trails ran north-south, but most railroads ran east-west because this is how the major rivers in America’s West flowed.


Please select the best answer from the choices provided

A
B
C
D