Who is this Button for?
Countries in dispute.
Couples in dispute.
Anybody else in dispute.
Leaders of countries: You know you are right and therefore thousands of your people will be more than happy to lay down their lives for you.
Couples in dispute: If you haven't yet employed expensive lawyers, you haven't even begun to fight!
Others in arguments: The theory and practice of war are applicable in every adversarial situation.
The object of war is not to die for your country but to make the other bastard die for his.
(General George S. Patton)
War is the continuation of politics by other means.
(Carl von Clausewitz)
Pacifism is not something to hide behind.
(Walter Sobchak in The Big Lebowski )
To jaw-jaw is always better than to war-war.
Something to consider
In peace, sons bury their fathers. In war, fathers bury their sons. 
- The Art of War by Sun Tzu (aprox 500 BCE) is a classic text http://suntzusaid.com/
- 1998 film written and directed by Joel and Ethan Coen
- Herodotus ( 484–425 BC aka 'The Father of History')