The History of Confederacies
Federalist PapersThis thread follows the historical comparisons through which Hamilton and Madison portray loose confederacies as vulnerable to paralysis, domination, and foreign intervention.
increasing
Bearing strength in each event
decreasing
The Amphictyonic Failure

The Amphictyonic Failure
Impressive powers on paper
The Amphictyonic council could deliberate on common affairs, settle disputes, and call upon the confederacy’s force. Its members nevertheless retained sovereign status and acted through appointed deputies.
Domination and collapse
Powerful members dominated weaker ones, while internal rivalry weakened collective resistance to foreign pressure. Madison uses the example to show that formal powers cannot overcome a defective political structure by themselves.
The Achaean Experiment

The Achaean Experiment
A closer league
The Achaean arrangement gave common institutions authority over shared affairs while its cities retained local government. Madison presents it as more intimate and better organized than the Amphictyonic example.
Division exploited
Rivalries and internal divisions eventually allowed outside powers to intervene. The history suggests that even a more capable league remains vulnerable when its members cease to act together.
Germany's Nerveless Union

Germany's Nerveless Union
Authority dispersed
The Germanic system possessed an Imperial Diet, executive leadership, courts, and formal powers over the members. Yet its laws addressed sovereign States and princes rather than individual citizens.
Requisitions and disorder
Madison describes recurrent conflict, ignored contributions, and ineffective enforcement. The example reinforces the argument that a government over governments may possess elaborate institutions yet remain unable to secure compliance.
The Dutch Confederacy

The Dutch Confederacy
Unanimity's burden
The United Netherlands required extensive agreement among sovereign provinces and cities. Hamilton and Madison describe how that rule delayed common decisions and obstructed financial contributions.
Crisis and improvisation
The union survived partly through the influence of the stadtholder and the pressures of neighboring powers. When emergencies came, officials exceeded constitutional limits, illustrating how defective structures invite both paralysis and usurpation.
The Confederacy Lesson

The Confederacy Lesson
Patterns across examples
The historical review moves from Greece to Germany, Switzerland, Poland, and the Netherlands. Across these cases, the essays identify recurrent weakness where central authority depends on the voluntary decisions of sovereign members.
Law or force
The concluding lesson contrasts ordinary legal enforcement with military coercion against States. The proposed Constitution is defended as a way to make national authority operate through citizens and courts instead.
Federalist No. 18, December 7, 1787
Federalist No. 18, December 7, 1787
Federalist No. 19, December 8, 1787
Federalist No. 20, December 11, 1787
Federalist Nos. 18–20, December 7–11, 1787