Exercise 1: Why a Tax Bill Must Originate in the House — Possible Solution
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This exercise asks for a specific constitutional rule, not just a
guess about which chamber "usually" handles taxes, so the answer needs
to point to the actual textual source.

THE RULE
Article I of the Constitution gives the House of Representatives the
exclusive power to originate revenue and appropriation bills. A tax
bill is, by definition, a revenue bill - legislation that raises money
for the federal government - so it falls squarely within that
exclusive House power. The Senate can debate, amend, and vote on a
revenue bill, but it cannot be the chamber where that bill is first
introduced.

WHY THE HOUSE SPECIFICALLY
This traces directly back to the Great Compromise from Chapter 1. The
House is the chamber built on population-based representation - the
Virginia Plan's own real victory - meaning its membership is meant to
reflect the population most directly and proportionally. Giving the
power to originate taxation specifically to the chamber apportioned by
population echoes a much older political principle: that the power to
tax citizens should rest most directly with their most numerically
representative body, not with a chamber (the Senate) where a small
state's two votes carry the same formal weight as a large state's two
votes regardless of population.

HOW IT ACTUALLY PLAYS OUT
In practice, this means any tax bill must:

  1. Be introduced and passed first in the House.
  2. Then move to the Senate, which can amend it (including,
     historically, quite substantially) but cannot originate a
     revenue measure of its own from scratch.
  3. Both chambers still need to agree on identical final text before
     it can go to the President, per this chapter's own "two co-equal
     chambers" material - the House's origination privilege doesn't
     let it bypass the Senate entirely, only guarantees where the bill
     has to start.

ANSWER: A tax bill must originate in the House of Representatives
because Article I of the Constitution gives the House the exclusive
constitutional power to originate revenue bills - a rule tied directly
to the House being the population-apportioned chamber from the Great
Compromise, meaning the power to tax rests first with the chamber most
directly representative of the population being taxed.

WHY THIS WORKS AS AN ANSWER
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It names the specific constitutional rule (Article I's revenue-bill-
origination clause) rather than a general impression, and explains WHY
that power sits with the House specifically by tying it back to the
Great Compromise's own population-based logic already established in
Chapter 1.