chapter; section; medal; badge; insignia
split; division; break up
integration; unification; unity; combination; consolidation; synthesis
strong nation; powerful country
to pass; to elapse; to pass through; to go through; to experience; to go through
optional; voluntary; arbitrary; arbitrary
war situation; progress of a battle
wind direction; situation; way things are going; mood; temper
depending on; dependent on
northern part; the north (of a region)
the whole area; the entire region; all parts (of); the whole field (of study); every field; the whole gamut
southern part; the south (of a region)
foreign country; another country; another province; strange land; alien land
less than ...; smaller ...
... and southward; in and to the south of ...
border (between countries); national border
Manchuria; Manchukuo (Japanese Manchurian puppet state; 1932-1945)
consists of; comprises; is made up of
friend and foe; enemies and allies; both sides
few decades; many decades; several decades
preparedness for death; do-or-die spirit
devastating; catastrophic; crushing
fight; dispute; feud; competition; contest; rivalry
difference; discrepancy; variation
limited; limiting; restrictive
military conflict; armed conflict