These societies arose from a blend of old populations familiar with the environment and new immigrants with fresh skills to impart.
Most had psychiatric symptoms, these ranged from difficulty sleeping to vivid flashbacks, and are now recognized as Post Traumatic Stress Disorder (PTSD).
Answer:
There is without a doubt a bias in the media. This is because there are corporate interests on both sides of the political spectrum. The cable news networks that dominate the airwaves today such as CNN and Fox News both show intense bias due to the ideas of the people who run these networks. Unfortunately, truly unbiased media is very rare these days.