Answer:
Canals and railroads were important to American development because both railroads and canals crisscrossed the states, providing transportation infrastructure that fueled the growth of American commerce.
The correct answers are: many business closings
slow economic growth
The increase in working hours was decreed without salary increase, which motivated the uprising, finally the government increased wages without changing the working day but that limited the productivity of the companies. The economy was very affected.
The northern hemisphere? I don't completely understand the question.
Where is the document at ?