Answer:
Immigration became less important to America.
Step-by-step explanation:
There were indeed many other factors for the rise of the industrial revolution in the United States around the start of the twentieth-century which includes abundance of mineral resources, technological innovation, railroads and lowered costs of transportation, education and human resources, accumulation of wealth, etc. But immigration played a vital role because 25% of the American population was foreign-born as mentioned by the U.S. Census in 1900.