A large domestic market. The United States had a rapidly growing population, which created a large demand for goods and services. This demand helped to spur the growth of factories and other industrial enterprises.
A well-developed infrastructure. The United States had a network of roads, canals, and railroads that allowed for the efficient transportation of goods and materials. This infrastructure helped to connect factories with their suppliers and customers, and it also made it possible for businesses to expand their operations to new markets.
A large pool of skilled labor. The United States attracted skilled workers from all over the world, who brought with them their knowledge and expertise in the latest industrial techniques. This influx of skilled labor helped to drive the growth of the US industrial sector.
A strong patent system. The United States government granted patents to inventors, which protected their intellectual property and encouraged innovation. This helped to create an environment that was conducive to the development of new technologies and products.