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 ancient Olmecs of Mexico and Mesoamerica are one of the most intriguing civilizations of the Americas. In fact, they are the first civilization in Mexico and it was from them that all other civilizations in Mesoamerica followed.