Earlier quoted context omitted.
a) World gdp per capita is less than $18.000, hardly what i would call abundance. We are still a few good decades away from abundance. b) I bet that rich countries, where people have all they need, will not provoke wars or engage on unprovoked wars (unless for humanitarian reasons).
The richest country in the world has been at war overseas almost constantly since the end of WWII.
a) scarcity of resource (oil) / humanitarian reasons (whichever you prefer to believe)
b) was provoked into it (because of cold war or terrorists)