The westward development of the railroad system shortened cattle drives. The first rail-transported cattle were shipped from Abilene, Kansas in 1867. Other rail centers were soon established. Thereafter, thousands of animals were moved along the various cattle trails which led to these shipping points.
The reason why the half-way covenant was created during the mid-1700
is because of the reason that it is a reminder of a religious foundation to the
New England Puritans. The close answer and similar one on the choices provided
above is letter D.