 Justina was forced to back down.Afterwards, Justina ordered legislation to rescind the penalties enacted by Gratian and Valentinian against heresy, proclaiming universal toleration.When Ambrose was found, as no doubt she had intended, to have determinedly infracted the new laws, Justina again tried to have him banished, and Ambrose was forced to barricade himself, with the enthusiastic backing of the people, within the walls of the Basilica.