Korean Political History I: Chapter 10, Exercise 2 — Possible Solution
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SUPPORTED
Rhee and Park both changed the rules of office while holding it (1952 and
1954; 1969 and 1972). Each era is associated with reported violence.

NOT SUPPORTED
- "Basically the same" ignores different endings: resignation,
  assassination and negotiated concession.
- The evidence differs between eras, so the violence figures are not
  comparable.
- Chun's rule changes were not established by my sources.

REWRITE
"Rhee and Park each changed the rules of office while in power, but the three
governments ended in different ways and the sources here do not support
equating them."