What started the Younger Dryas megafauna extinction event about 11,000 years ago?

Recent history of N. America with evidence all over if you know what to look for. Asteroid impact around Saginaw, MI.

Time to learn your history. When did Atlantis sink? When was the flood? Whaaat?

>>20579272

It's a puzzle with clues everywhere. History is more interesting than what we've been taught.