The argument in one screen
Impeachments are about public trust
Hamilton defines impeachment as dealing with misconduct by public officials — not ordinary private disputes, but offenses that injure the polity itself.
These cases are politically explosive
Because impeachments concern public trust and public power, Hamilton says they almost inevitably stir passions and attach themselves to preexisting factions.
No perfect tribunal exists
The real problem is not to find a flawless court, but to choose the least dangerous and most competent institution available in an elective republic.
The Senate is the best available fit
Hamilton thinks the Senate has the necessary dignity, independence, and weight to handle impeachment trials better than the realistic alternatives.
Why Hamilton thinks impeachment is uniquely difficult
Ordinary judicial disputes are not the model here. Hamilton says impeachments concern misconduct by public officials and the abuse of public trust, which means the stakes are collective and civic from the start.
That is what makes Federalist 65 so sharp. Hamilton is saying that these cases are not merely legal in the ordinary sense. They are political because they involve injuries done immediately to society itself and therefore almost always divide the public into camps for and against the accused.
Not a celebration of politicized justice. A warning that impeachment lives unavoidably near faction, and that any institutional design must begin with that fact rather than ignore it.
“The subjects of its jurisdiction are those offenses which proceed from the misconduct of public men, or, in other words, from the abuse or violation of some public trust.”
Hamilton defines impeachment by the nature of the offense: not private wrongdoing alone, but public wrongdoing bound up with office and trust.
“They are of a nature which may with peculiar propriety be denominated POLITICAL, as they relate chiefly to injuries done immediately to the society itself.”
This is the most famous line in the essay. Hamilton means that impeachment is political because the offense injures the polity, not because it is merely partisan theater.
“The convention, it appears, thought the Senate the most fit depositary of this important trust.”
That is Hamilton's institutional conclusion. Once the difficulty of impeachment is admitted, the Senate becomes the best available repository of the power.
How Hamilton builds the case
He starts by defining the problem. Impeachment concerns public trust, and because of that it will agitate the passions of the whole community and often connect itself to preexisting parties and animosities.
He then explains why the tribunal problem is so hard in a government based on elections. The most conspicuous public characters are often also factional leaders or instruments of faction, which means the institution that judges them must have enough independence and dignity to resist becoming only another partisan weapon.
From there he argues comparatively. No available tribunal is perfect. The question is which body combines enough public weight, political knowledge, and institutional standing to try these cases with the least disadvantage. For Hamilton, that answer is the Senate.
He defines “political” carefully
Hamilton is not saying impeachment is mere electioneering. He is saying the offense is political because it concerns public trust and injuries to society.
He treats faction as inevitable context
The challenge is not to remove passion from impeachment entirely, but to lodge the trial power where passion is least likely to be wholly unchecked.
He argues from best available institution, not perfection
Hamilton openly admits the difficulty of the design problem and then asks which practical option is most fit, not which imaginary one would be ideal.
Federalist 65 matters because it gives the cleanest constitutional argument for why impeachment is a special category. It is not just criminal law for officeholders; it is the public-law response to betrayal of public trust.
The essay also matters because it explains why arguments about impeachment so often feel unstable. Hamilton says that instability is built into the nature of the subject itself, which is exactly why tribunal design matters so much.
Why Federalist 65 matters in the larger Senate sequence
Federalist 62 and Federalist 63 defended the Senate in general terms — its qualifications, stability, national character, and long-horizon responsibility. Federalist 65 now turns to one of its most controversial concrete roles: impeachment trials.
The next essay, Federalist 66, answers objections that this arrangement improperly mixes powers or gives the Senate too much influence. Then Federalist 67 begins Hamilton's executive turn by rejecting monarchy caricatures of the presidency. For the wider Publius frame, return to Who wrote the Federalist Papers?.
What to read next
Primary sources and further reading
- The Federalist No. 65 | Founders Online — Hamilton's defense of the Senate as the tribunal for impeachments and his definition of impeachment offenses as political in nature.
Related essays by theme
Use Federalist 65 to understand why impeachment is not just ordinary judging by another name
This is the essay to read if you want Hamilton's most direct answer to what impeachment is, why it is inherently difficult, and why the Constitution assigns its trial to the Senate.
Not a criminal verdict. A political judgment. Hamilton's account of impeachment still frames every modern removal debate.