The annexation of Hawaii remains one of America's most debated imperial actions. There's no consensus—only competing moral frameworks. Here's a structured look at the core arguments.
Pearl Harbor's value as a mid-Pacific naval base was clear by 1898. Proponents argued US control prevented Japanese, British, or German domination—protecting West Coast commerce and security. The Spanish-American War (1898) accelerated this logic.
Hawaii's sugar economy was already US-dependent (reciprocity treaty 1875). Annexation formalized tariff-free access, stabilized investment, and integrated the islands into the US market—benefiting both economies, supporters claimed.
Some argued annexation brought governance, infrastructure, education, and public health to a "backward" kingdom—a classic 19th-century liberal-imperialist rationale. (Modern view: paternalistic and dismissive of Hawaiian achievements.)
The Hawaiian Kingdom was internationally recognized (treaties with US, UK, France, Japan). The 1893 overthrow—backed by US Marines and Minister John Stevens—was acknowledged as illegal by President Cleveland's own investigation (Blount Report). Annexation ratified a coup.
Native Hawaiians (Kānaka Maoli) were never consulted. The 1897 Kūʻē Petitions (21,000+ signatures, ~95% of adult Hawaiians) opposed annexation. Congress ignored them. Language, land, and self-governance eroded rapidly after.
The "Big Five" sugar oligarchs (Castle & Cooke, Alexander & Baldwin, etc.) orchestrated the overthrow to secure US market access. Annexation enriched a handful of haole (white) families while Native Hawaiians lost land, political power, and demographic majority.
Annexation via joint resolution (Newlands Resolution), not treaty—bypassing the 2/3 Senate vote treaties require. Constitutional scholars (then and now) debate its legality. Hawaii's 1993 Apology Resolution (PL 103-150) acknowledged the overthrow's illegality.
Realpolitik vs. Self-Determination. The US wanted a Pacific foothold; Hawaiians wanted their nation. Power won. Whether that constitutes "moral justification" depends on whether you prioritize strategic necessity or sovereign rights.
Today, the Hawaiian sovereignty movement continues—seeking federal recognition, land return, or independence. The moral debate isn't settled; it's ongoing.