Multiple Choice
Vital improvements in railroading in the late 19th century included
A) standard gauge of track width.
B) air brakes.
C) steel rails.
D) Pullman cars.
E) the block signal.
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q60: Leftists scholars who found fault with the
Q61: The first major product of the oil
Q62: Two technological innovations that greatly expanded the
Q63: Match each entrepreneur below with the field
Q64: The two industries that the transcontinental railroads
Q66: Identify and state the historical significance of
Q67: Andrew Carnegie's system of vertical integration<br>A) combined
Q68: Thomas Edison was instrumental in the invention
Q69: Changes in the national economy in late
Q70: The single largest source of a critical