All of the following were long term causes of world war i except a) colonial disputes. b) religious differences. c) the drive for naval superiority. d) ethnic tensions within the austria empire.

B religious disputes
religion was not a really big reason
-colonial disputes is true because of the Serbian territory that the Austro Hungarian Empire took
-the drive for naval superiority is true because during the war Great Britain and Germany where competing 
-the ethnic tensions within the Austria Empire is true because after the war the Austro Hungarian Empire became Austria and Hungary two different countries