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 Civilization: The Olmec were the first great Mesoamerican civilization. The city of San Lorenzo (its original name has been lost to time) flourished around 1200-900 B.C. and was the first major city in ancient Mexico.he Olmec were the first great Mesoamerican civilization. The city of San Lorenzo (its original name has been lost to time) flourished around 1200-900 B.C. and was the first major city in ancient Mexico.