What were the factors that contributed to the industrial boom of the 1900s?

The industrial boom of the 1900s was driven by several key factors, including technological advancements such as the assembly line and electrification, which increased production efficiency. The availability of Natural Resources, such as coal, iron, and oil, provided the raw materials needed for manufacturing. Additionally, a growing labor force, fueled by Immigration, supplied the workforce necessary for industrial expansion. Finally, an expanding transportation network, including railroads and shipping, facilitated the distribution of goods both domestically and internationally.