the primary ethnic factional groups fighting each other in iraq after the invasion were
Arab Sunni
-1
Section::::Ethno-sectarian composition.

Sectarian violence in Iraq (2006–2008)
2372429
Arab Shia
-1
Section::::Ethno-sectarian composition.

Sectarian violence in Iraq (2006–2008)
2372429
13218006852605630716
NONE
Section::::Ethno-sectarian composition.

Sectarian violence in Iraq (2006–2008)
2372429