Webster's Online Dictionary:

War

1 a (1): a state of usually open and declared armed hostile conflict between states or nations (2): a period of such armed conflict (3): state of war b: the art or science of warfare c (1)obsolete : weapons and equipment for war (2)archaic : soldiers armed and equipped for war
2 a: a state of hostility, conflict, or antagonism b: a struggle or competition between opposing forces or for a particular end <a class war> <a war against disease> c: variance, odds

Occupation

1 a: an activity in which one engages <pursuing pleasure has been his major occupation> b: the principal business of one's life : vocation
2 a: the possession, use, or settlement of land : occupancy b: the holding of an office or position
3 a: the act or process of taking possession of a place or area : seizure b: the holding and control of an area by a foreign military force c: the military force occupying a country or the policies carried out by it
synonyms see work

"See Work"?

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War v Occupation
McCain v Obama

This is what it should all boil down to, in November.