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 Signs are similar to the writing used by the Vai people of West Africa. The Olmecs spoke an aspect of the Manding (Malinke-Bambara) language spoken in West Africa. Both the Olmec and epi-Olmec had hieroglyphic writing systems.Olmec is a syllabic writing system used in the Olmec heartland from 900 BC-AD 450.The Olmec people introduced writing to the New World.he Signs are similar to the writing used by the Vai people of West Africa. The Olmecs spoke an aspect of the Manding (Malinke-Bambara) language spoken in West Africa. Both the Olmec and epi-Olmec had hieroglyphic writing systems.