The main reason that industrial capitalism was able to thrive during the gilded age was because of the new wave of immigrants that came over from souther Europe. Big industry's of the United States used these immigrants as a form of cheap labor and hired in mass to make production time faster. Though there were other caused that helped industrialization thrive these new workers are were the backbone of the industry and for that the main reason industrialization in America thrived was because of the new wave of workers.