The american industrial revolution did much to the united states become a world power. however, it did cause a number of problems, two of which were: too many people traveled to america for work factory workers faced unsafe conditions big business monopolies and trusts formed congress regulated the business sector too harshly

The best 2 answers are:
-factory workers faced unsafe conditions
-big business monopolies and trusts formed

The Industrial Revolution, much like the technological revolution we are seeing today, happened too quickly for the government to immediately keep up with. As a result, workers were not legally protected by the new economic environment, and a small number of companies grew so powerful that they unfairly dominated the markets they operated in. 

Reconstruction is one reason.
With the war over many people still thought the south had no right to succeed and many didn’t want anything to do with them.