Colombia. After acquiring Hawaii and the Philippines, American leaders recognized the strategic importance of a canal that would allow naval and commercial ships to move quickly between the Atlantic and Pacific Oceans. Colombia, however, refused to grant the United States control over the necessary territory.

In 1903, the U.S. government supported a Panamanian rebellion against Colombian rule and swiftly recognized Panama as an independent nation. In return, the United States gained the right to construct the Panama Canal and to control a canal zone approximately five miles wide on each side. Construction began in 1904, and the canal officially opened on August 15, 1914, dramatically reshaping global trade and reinforcing U.S. dominance in the region.

Beginning in the 1870s, most Latin American countries built extensive railroad networks. These railways typically connected mines and agricultural regions directly to ports, rather than linking interior regions to one another. The equipment, capital, engineers, and managers required for construction came largely from Britain and the United States, tying Latin American economies closely to foreign interests.

Argentina provides a clear example. Rich in wheat, beef, and hides, Argentina developed the most extensive rail network in Latin America. By 1914, British firms owned approximately 86 percent of Argentina’s railroads, 40% of railroad employees were British, and English—rather than Spanish—was the official language of the rail system. Similar patterns of foreign ownership dominated mining, industry, and public utilities across the region, limiting economic independence.

The term banana republic refers to politically unstable countries whose economies became dependent on the export of a single natural resource, often controlled by foreign corporations. These societies were typically characterized by impoverished laboring populations ruled by political, military, and business elites who collaborated with foreign companies to maintain control.

By the late nineteenth century, American multinational corporations—including the United Fruit Company, Standard Fruit Company, and Cuyamel Fruit Company—dominated banana production in Central America. In Honduras, these companies controlled plantations, railroads, ports, and roads, effectively shaping national infrastructure and politics. The Honduran government granted banana companies vast land concessions—often 500 hectares per kilometer of railroad laid—even when those rail lines did not connect to the capital. Among Hondurans, the United Fruit Company was known as El Pulpo (“The Octopus”) because its influence extended into nearly every aspect of economic and political life.