The first factories in America were powered by water.
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)
Answer:
It relied on safe houses run by northern whites and blacks to move slaves to Canada.
Explanation:
men and woman against slavery would help slaves escape by setting up safehouses and secret locations. slaves would travel from safe house to safe house towards Canada to escape the US and claim their freedom