Answer: The end of the Napoleonic Wars brought stability. The discovery of natural resources generated funding.
Explanation:
Oliver Cromwell ruled England as a military dictator
There were of course other factors. While early humans did hunt them a lot due to the profits which they received from it (A lot of food, bones they could use for homes, fur they could use for clothing, etc.), there were also other factors such as less food for them which made them less mobile through different geographical regions, etc. (and therefore more susceptible to being hunted) that had played a part in their extinction.
1. A fossil named Lucy was found in East Africa it was a monkey like structure bone wise it was a skeleton type fossil.