So Joshua arose, and all the people of war, to go up to Ai: and Joshua chose out thirty thousand men, the mighty men of valor, and sent them forth by night.
The people gathered at the mountains Gerizim and Ebal, on either side of Shechem, to collectively declare their loyalty to the covenant. The six tribes who gathered at Mt Gerizim answered ‘Amen’ as the blessings of the law were read. The six tribes who gathered at Mt Ebal answered ‘Amen’ as the curses for disobedience were read (33-35; cf. Deuteronomy 27:11-14).