Respuesta :
D. Due to the rapid growth of the cities and the increase of immigrants this lead to an exponential growth of factories.
During the mid-1800s, the development of the factory system in the United States contributed to due to the rapid growth of the cities and the increase of immigrants this lead to an exponential growth of factories.
In the mid-1800s, the growth of the factory system was due to result of industrialization and immigration into cities.
A lot of factories were said to be located near urban areas and as such businesses was said to have attracted immigrants and people moving from rural centers.
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