America's longest-serving prisoner in solitary has conviction quashed. Albert Woodfox, right, and Herman Wallace in Angola prison, in Louisiana. Woodfoxâs 1972 murder conviction was overturned when a US appeals court ruled his conviction was secured through racially discriminatory means.
Next, the Olmec created a complex drainage system. These inventions helped the Olmec survive. In addition to their inventions, they also understood many things in life, such as the concept of zero ,linear time, and gravity.
The Olmec: The Olmec were the first great Mesoamerican civilization. They thrived along Mexicoâs gulf coast, mainly in the present-day states of Veracruz and Tabasco, from about 1200 to 400 B.C., although there were pre-Olmec societies before that and post-Olmec (or Epi-Olmec) societies afterwards.he Olmec civilization is very important to researchers. As the parent civilization of much of Mesoamerica, they had influence out of proportion with their military might or architectural works.