Final answer:
The rapid growth of industry in the United States during the Industrial Revolution helped fuel imperialism by giving American businesses an economic advantage in producing high-quality products at lower costs, which opened new markets for American goods.
Step-by-step explanation:
The rapid growth of industry in the United States during the Industrial Revolution helped fuel imperialism. The Industrial Revolution gave American businesses an advantage in producing high-quality products at lower costs. This economic advantage allowed the United States to expand its reach and open new markets for American goods, ultimately contributing to the country's desire for empire building.