An alliances mutual relation usually between countries or organizations. Before the war Russia and Serbia were alliances. Germany and Austria-Hungary were alliances. Frances and Russia were in alliances. Frances and Britain and Belgium were in alliances. Japan and Britain were in alliances.When the "Black Hand" group killed Archduke Franz Ferdinand,this was an attack on Austria-Hungary,so Germany went into war because that was there alliances. Germany had alliances and so i twent on.