What effect does the author's choice of resolution have on the passage's overall meaning? the interlopers

The correct answe for:What effect does the author's choice of resolution have on the passage's overall meaning? is:

Men are always united by a common problem to solve it and coexist.

Explanation:

The reason behind this is that the men faced a very big problem and they were able to leave their problems behind to organize themselves to survive. Then, after surviving their common problem, they overcame their conflict and achieved an agreement o coexistance. Giving us a lesson that we can coexist in peace with our enemys, we just need to stop our reasons and pride behind.