Final answer:
The industrial boom in the U.S. necessitated the search for new markets and resources, spurring American imperialism to secure economic growth and maintain competitiveness.
Step-by-step explanation:
The rise in factories fostered American imperialism due to the demand for new markets and raw materials to sustain high industrial output and economic growth.
Industrialization served as a catalyst for imperialism as the United States, following the Second Industrial Revolution, saw unprecedented economic upsurge. Factories needed more raw materials than America alone could provide and produced more goods than Americans could consume, necessitating expansion overseas for new markets and resources.
Technological advancements during this period increased demand for raw materials like rubber, mineral ores, and cotton essential for new products. America's burgeoning industrial economy, fueled by immigrant labor and technological innovation, laid the groundwork for a global influence rooted in economic interest, leading to a competitive environment as countries established colonies to capitalize on these resources.
America's search for new consumers and resources to fuel its factories directly influenced the nation's imperialist drive during the late nineteenth and early twentieth centuries. As other nations sought to establish ports and colonies to gain access to natural resources and decrease Britain's domination, the U.S. too embarked on a path of territorial expansion and international economic entanglement. The imperial expansion thus became intertwined with the industrial-era economic imperatives.