The agreement is impossible once the Portuguese Jesuits denied to accept the Spanish domain over their lands. After this the Indians, led by Sepé, bravely fight the Portuguese army but they are subjugated by the Portuguese's fire weapons.
An accord proved impossible when the Portuguese Jesuits rejected Spanish sovereignty over their lands. The Indians, under Sepé's leadership, valiantly clashed with the Portuguese forces but were eventually overwhelmed by the latter's utilization of incendiary arms.