Spanish–American War vs Second French Intervention in Mexico

The U.S. flexibly applied joint land-sea operational doctrine, while Spain remained fixed in static fortress defense and could not transition to dynamic maneuver.

Bazaine was trapped in conventional European doctrine; Republican commanders developed a guerrilla-conventional hybrid doctrine to achieve decisive victory at Querétaro.

War of Annihilation — The U.S. broke colonial will by totally destroying the Spanish fleets at Manila and Santiago.

Attrition War — The Republicans avoided battles of annihilation and eroded the French force through time, distance, and disease.

The U.S. correctly identified the destruction of Spanish fleets as the center of gravity, automatically resolving land operations. Spain failed to determine its Schwerpunkt and resorted to fragmented defense.

The French Schwerpunkt was holding Mexico City; yet the true center of gravity was Juárez's will and US support. The Republicans correctly identified and protected this true target.

Dewey's nighttime infiltration of Manila Bay was a classic surprise maneuver; Spanish coastal batteries were destroyed before they could go on alert.

Republican guerrilla tactics consistently employed raids and deception; French conventional doctrine could not produce an answer to this asymmetric threat.

At Manila Bay, Dewey's rapid-fire artillery annihilated the Spanish fleet within hours, demonstrating absolute fire superiority.

French artillery achieved decisive results at the siege of Puebla; however, in guerrilla warfare the shock element became neutralized, and firepower lost strategic meaning when decoupled from maneuver.

Caribbean summer storm season and tropical disease wore down both sides; however, the U.S. minimized climatic friction through geographic proximity advantage.

Mexico's volcanic plateaus, deserts, and malaria belt biologically wore down the European French soldier; the Sierra Madre became the natural fortress of Republican guerrillas.

U.S. naval attachés had mapped the Spanish fleet inventory years in advance, while Spain remained unaware of the U.S. Pacific operational plan.

Nearly the entire local population served as eyes and ears for Republican forces; French troops conducted a blind operation in foreign territory.

The U.S. Navy demonstrated strategic mobility between two oceans, executing Dewey's rapid transit from Hong Kong to Manila; Spain failed to leverage interior lines.

Bazaine achieved rapid inter-city movement using interior lines; however, Republican cavalry columns were more flexible and longer-ranged, continually isolating French garrisons.

American public entered the war with high motivation fueled by yellow journalism, while the Spanish military was crushed under the psychological weight of the 'honorable defeat' doctrine.

Maximilian sitting on a foreign throne created a legitimacy crisis; Juárez's national resistance discourse bound popular will to the Republican cause, with Clausewitzian friction working against the empire.

The U.S. exploited Spanish attrition in Cuba and diplomatic isolation pre-war, pushing Madrid into defensive posture; the Guam commander surrendered without even hearing of the war.

Juárez forced Napoleon III to withdraw from the field by leveraging US diplomatic pressure and the Monroe Doctrine; this is a strategic victory won not on the battlefield but at the table.