Final answer:
According to Lewis, the Minnetarees were friendly and interested in trade, as established by Lewis and Clark's interactions with them during their expedition.
Step-by-step explanation:
According to Lewis, the reputation of the Minnetarees was that they were friendly and interested in trade. Lewis and Clark made efforts to establish peaceful relationships with Native American tribes, including the Minnetarees, in order to ensure peaceful settlement in the future. They exchanged gifts and had positive interactions with the Minnetarees and other tribes along their expedition.