War is a solution for these problems: 1) How to kill a .... load of people.
2) How to inflict poverty upon the masses of a country or region.
3) How to reduce the usefulness of diplomacy to zero.
4) How to be loved by gods.
5) How to brainwash people and erase history.
6) How to terrorize people.
7) How to gain brutal independence.
8) How to inspire the weak minded.
9) How to make a place look like hell.
10) How to make a revolution bathed in the blood of the people who wanted a change and not death.
11) How to make some parents lose their children and some children to lose their parents for a couse they did not directly choose to fight for.
12) How to fill some pages in history books.
13) How to make philosopher's stones
15) Where can rape and pillage be all ok.
16) How to extend my territory.
17) How is my god/argument/penis bigger/better than others.
18) Where to make illegal medical and military experiments.
19) What is the opposite of peace.
Life is full of crap and we are full of life.