Southerners Insisted That the First Transcontinental Railroad Should Run Through

Multiple Choice

Southerners insisted that the first transcontinental railroad should run through the Southwest because

A) the use of slave labor would make the construction cheaper.
B) the railroad would pass through the already organized New Mexico territory.
C) it was too expensive to use camels for transcontinental transport.
D) southern states were prepared to pay the full cost of construction.
E) it would guarantee the area against possible Mexican efforts to take it back.