Source that details the Outcome of allied congress at Sparta - The Spartans heard everyone's opinion and put the vote by city to all their allies present, both great and small.
The majority voted for war.
âThe agreed in their current state of unpreparedness it would be impossible to attack immediatley, each state make preparation with no delay. A year later, after they had done this, Attica was invaded and war openly broke out.â
Majority - Vote for war was not completely unanimous among the Spartan allies.