What are some of the repercussions of the treaty of versailles?

Refer to this website 

The answer is either a, the bottleneck effect or c, natural selection. the answer is most likely a because it is hinted that the predator fish was placed in the isolated stream. the predators eating the darters less than 5cm is natural selection though.

On april 20, 1814, the dethroned emperor left france for the isle of  elba, where he was exiled under the terms of the treaty of fontainebleau.napoleon  would be allowed to ruleelba, which had 12,000 inhabitants. perhaps cruelly, the treaty allowed him to retain the title "emperor."