1.   The war pitted Serbia against Croatia and Bosnia.

2.   Fence wars pitted cattlemen against farmers, homesteaders against ranchers, ranchers against sheepherders.

3.   In a split that distresses Shuar elders, the border war pits Shuar against Shuar.

4.   The doll war pits the models against All-American favorite Barbie, made by Mattel Inc., a Hasbro rival.

5.   The doll war pits the models against All-American favorite Barbie, made by Hasbro rival Mattel Inc.

6.   The war has pitted Rwanda, Uganda and Burundi, along with several rebel groups, against the Congolese government, backed by Angola, Namibia and Zimbabwe.

7.   The war pits the northern-based Islamic government against Christian and animist rebels in the south.

8.   The war pitted guerrillas of the Guatemalan National Revolutionary Unity, who claimed to speak for the impoverished peasantry, against the wealthy establishment.

9.   The war pitted a right-wing military-controlled government against a classic Latin American left-wing insurgency.

10.   Among its many players, the pain wars pit Merck, the largest drug company worldwide in terms of sale, against the fastest growing company, Pfizer.