Answer:
Despite differences among tribal members, the tribe enjoyed peace and prosperity under the leadership of John Brown, who became tribal chief in 1885.
Step-by-step explanation:
John Brown was the Chief of the Seminole Nation from 1885 to 1901. The frictions in the excerpt are referred to as north and south factions of the tribe.
The first Seminole tribal chief recognized by the Government was Big John Chupco. When the tribe was allowed to elect their chief, they elected John Jumper, who was followed by the tribe while Big John's government.
John Brown was Jumper's son-in-law and was elected Chief of the Seminole Nation when his father-in-law resigned to spend his time in the Spring Baptist Church.