|Murals date back to prehistoric times as far back as paintings on caves. Throughout history murals have been used to create political unrest or communicate particular political messages. Some historical murals were created illegally, but many were commissioned by local businesses
||that wanted to promote their messages or agenda. Murals have been used to focus attention on issues such as drug legalization, racial integration, attempts to erode social taboos, and as a tool of mass-control and propaganda.