Original sentence: This timeline involves several different periods in the history of Middle America, starting with a maximum security prison in the 2000s, along with Amerinds on the Trail of Tears, Spanish Conquistadors, a city of the Moundbuilder People, and some paleoamerindss — all displaced into the Age of Dinosaurs (several different periods of the Dinosaur Age are also jumbled together)
Edited sentence: This timeline involves several different periods in the history of Middle America, starting with a maximum security prison in the 2000s, along with Amerinds on the Trail of Tears, Spanish Conquistadors, a city of the Moundbuilder People, and some paleoamerindss — all displaced into the Age of Dinosaurs (several different periods of the Dinosaur Age are also jumbled together)