At the beginning of the 19th century, most Americans had no idea what lay beyond The Mississippi River.
The answer is B. Development of railroad systems.
Answer:
Social consequences of the industrial revolution
The main consequence of industrialization was the substitution of class society for class society (in which social class was determined by material goods). The other social class that emerged from the industrial revolution was the proletariat that appeared in Europe during the 18th century.
Explanation:
:)
