Chinese Political History II: Chapter 6, Exercise 1 — Possible Solution
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TASK
Compare Xi's 2012 takeover with the Jiang-to-Hu handover post by post, and
say what the difference did to the timing of his control of the military.

TABLE
  Post                Jiang -> Hu                  Hu -> Xi
  General Secretary   Nov 2002                     15 Nov 2012
  CMC chair           Sep 2004                     Nov 2012
  President           Mar 2003                     14 Mar 2013

WHAT DIFFERED
Hu became general secretary in November 2002 but did not chair the Central
Military Commission until September 2004, so for about two years Jiang kept
control of the military. Xi took the CMC chair in the same month as the
party post (November 2012), because Hu gave up all his positions at once.

EFFECT ON TIMING
Xi held the party and the military at the same time from the first month
of his tenure. Hu did not have that for two years. The president's post
followed about four months later in both cases.

CAUTION
The sources give only "November 2012" for the CMC chair, so do not claim a
same-day transfer.