A. 12 hours a day, six days a week.
Because of it was a new era in manufacturing, industrial, companies soon swept over the market. One individual does not have much say in an entire corporation. But the entire workforce may have more leverage in the corporation that the corporate it's self. Thus when unjust wages and hours were enforced, the people needing what little money they could get. Labor Unions were formed.
Because it lasted 3 months 2 weeks and 4 days or 4 months pretty long.
Hello~
The answer(s) to your question is A, C, and D.
Individuals began to start more private businesses.
New banking systems financed the growth of business.
Factories began to employ specialized workers.
~Hope this answer your question!~