The populists gained their greatest support from the western United States, the Mid-West and Kansas. A large portion of the supporters consisted of the farmers in those respective areas.
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.
Five signers were captured by the British as traitors and tortured before they died.
Twelve had their homes ransacked and burned.
Two lost their sons serving in the Revolutionary Army, another had two sons captured.
Nine of the 56 fought and died from wounds or hardships of the Revolutionary War.