Final answer:
During Israel's entry into Canaan, six tribes stood on Mount Gerizim for blessings and six on Mount Ebal for curses as a covenant renewal ceremony mentioned in the book of Deuteronomy.
Step-by-step explanation:
When Israel crossed into Canaan, the event involved a significant ceremony where six tribes stood on Mount Gerizim to present blessings while the other six tribes presented curses from Mount Ebal. This event is detailed in the biblical text, specifically in the book of Deuteronomy (Deuteronomy 27:11-13). The blessings and curses were part of a covenant renewal ceremony as the Israelites entered the Promised Land.