Answer:
The rules that were established by the Catholic Church for society to obey were the Peace of God and the Truce of God.
Step-by-step explanation:
The Peace and Truce of God were a set of conventions promulgated by the medieval Roman Catholic Church to counteract feudal armed violence.
The Peace of God, introduced for the first time by the synod in Charroux in 989, extended protection over certain categories of the weaker or vulnerable (from clergy, through women, children and the elderly, to peasants, merchants and travelers) and facilities (churches, monasteries , mills, ferries, houses, court offices, etc).
In turn, the Truce of God, established in 1027 at the synod of Toulouges, set the time frame for absolute ceasefire: from Wednesday evening to Monday morning, later also throughout Advent and Lent.
The institution of the Peace and Truce of God was used until the end of the 13th century by popes and episcopal synods in order to limit feudal wars.