▁Category : American ▁Jews ▁Category : Bro ok lyn ▁College ▁al umn i ▁Category : De ath s ▁from ▁breast ▁cancer ▁Category : J ew ish ▁activ ists ▁Category : J ew ish - American ▁history ▁Category : M embers ▁of ▁Social ▁Democr ats ▁USA ▁Category : New ▁York ▁University ▁al umn i ▁Category : Pe ople ▁from ▁C oney ▁Island ▁Category : L ead ers ▁of ▁organizations ▁Category : W omen ▁labour ▁leaders ▁Category : American ▁women ▁activ ists ▁Category : Activ ists ▁from ▁New ▁York ▁( state ) ▁Category : James ▁Mad ison ▁High ▁School ▁( Bro ok lyn ) ▁al umn i <0x0A> </s> ▁War ' s ▁in e ffic iency ▁puzz le ▁is ▁a ▁research ▁question ▁asking ▁why ▁unit ary - actor ▁states ▁would ▁choose ▁to ▁fight ▁wars ▁when ▁doing ▁so ▁is ▁cost ly . ▁James ▁F ear on ’ s ▁R ational ist ▁Ex plan ations ▁for ▁War ▁and ▁Robert ▁Pow ell ' s ▁In ▁the ▁Sh adow ▁of ▁Power , ▁which ▁launched ▁rational ▁choice ▁theory ▁in ▁international ▁relations , ▁provide ▁three ▁possible ▁answers : ▁private ▁information ▁and ▁in cent ives ▁to ▁mis re present , ▁commit ment ▁problems , ▁and ▁issue ▁ind iv is ibility . ▁ ▁The ▁puzz le ▁F ear on ▁has ▁three ▁basic ▁assumptions ▁about ▁war . ▁First , ▁war ▁is ▁a ▁more ▁cost ly ▁choice ▁than ▁peace . ▁Second , ▁war ▁is ▁predict ably ▁un predict able . ▁In ▁other ▁words , ▁although ▁neither ▁side ▁may ▁be ▁sure ▁exactly ▁who ▁will ▁win ,