The negative things that it brought were things like high pollution because of the factories and things like child labor which was not outlawed yet at the time. It also brought numerous injuries and deaths due to the machinery and nothing happened about them because workers' rights were practically non-existent and any company owner could do what they wanted.
The good things were an increase in the quality of the economy which also raised the living standard of people in general. It also led to increased population and development of urban city areas and amount of accessible manufactured goods or things like resources or anything similar that people could use more easily now.
