 Complete the following phrase:  Within days of Antonys expulsion, on 7 January 49 BC, the senate reconvened. Under the leadership of Cato and with the tacit support of Pompey, the senate passed a senatus consultum ultimum, a decree stripping Caesar of his command and ordering him to return to Rome and stand trial for war crimes. The senate further declared Caesar a traitor and a public enemy if he did not immediately disband his army. With all hopes of finding a peaceful solution gone after Antonys expulsion, Caesar used Antony as a pretext for marching on Rome. As tribune, Antonys person was sacrosanct, so it was unlawful to harm him or to refuse to recognize his veto. Three days later, on 10 January, Caesar 