1. About 200 million years ago, 2. Cenozoic era, 3. The period between the extinction of the dinosaurs and the present day is called the Age of Mammals or Cenozoic. Mammals appeared on the earth long before the extinction of the dinosaurs
Yes because national crises causes stress and people to sway their opinion.
They needed a government because they wanted rights.
Miguel Hidalgo y Costilla launched the war with the issuing of his "Grito de Delores"
