Explain why the middle class grew during the IR?

The middle class grew during the Industrial Revolution due to the expansion of industries and the rise of factory jobs, which created new economic opportunities. As cities industrialized, a demand for skilled workers and managers emerged, allowing individuals to achieve upward mobility. Additionally, increased production and consumerism led to greater disposable income, enabling more people to aspire to a middle-class lifestyle. This shift was further supported by educational advancements and changes in social structures that valued entrepreneurship and innovation.