1)
What is the meaning of "Yatz'u Nitzavim"?
2)
What is the significance of the fact that even the babies died?
1.
Rashi: To teach us the severity of Machlokes ? a human Beis-Din punishes only from the age of thirteen, and Beis-Din above from the age of twenty and here, for Machlokes, even nursing babies died! 1
1
Da'as Zekenim: And how great is Shalom ? even Hashem deviated [from the precise truth] for the sake of Shalom!