Page "Iphigenia in Aulis" Paragraph 6

The brothers debate the matter and, eventually, each seemingly changes the other's mind: Menelaus is apparently convinced that it would be better to disband the Greek army than to have his niece killed, but Agamemnon is now ready to carry out the sacrifice, claiming that the army will storm his palace at Argos and kill his entire family if he does not.

By this time, Clytemnestra is already on her way to Aulis with Iphigenia and her baby brother Orestes, making the decision of how to proceed all the more difficult.