Final answer:
The villagers in Xiaogong likely agreed to provisions that involved mutual assistance and peaceful coexistence, echoing ancient Chinese treaty practices that included blood covenants and ceremonies for ratifying agreements.
Step-by-step explanation:
The main provision the villagers in Xiaogong agreed to when they signed their secret document, as mentioned in the podcast, aligns with traditional practices in ancient Chinese history. Although the podcast specifics are not provided, the historical context indicates that such agreements often involved mutual assistance, peaceful coexistence, and a commitment to ally against common threats. These agreements included diplomatic negotiations, formal ceremonies, and even blood covenants, exemplified by the Zhou state's treaty with the Rong or the blood covenant ritual described by Mark Edward Lewis. While the document specifics for Xiaogong are not detailed, it likely contained similar provisions of cooperation and mutual support among community members.