Which of the following best describes the construction of the transcontinental railroad?
select one:
a. extensive construction on the railroad had to start on the east coast since there were few rails in existence in the late 1800
b. construction of the railroad was completed when the central pacific and union pacific companies met in utah.
c. the transcontinental railroad was constructed by confederate prisoners of war.
d. the transcontinental railroad connected the great lakes with the new cities in washington state.