Answer :
the statements that are true about the railroad expansion in the late 19th century were :
A. It led to new managerial forms and technique (arise from the needs to made the railroad process more efficient)
B. it accelerated the Growth of new territories (since now products and workers can came to that territory)
A. It led to new managerial forms and technique (arise from the needs to made the railroad process more efficient)
B. it accelerated the Growth of new territories (since now products and workers can came to that territory)