Had a rich diet, but did have domesticated animals. They had no use for wheeled vehicles hence the labor was all human. The had ceremonial centers where the ruling elites lived. Their three main capitals were San Lorenzo, La Venta, and Tres Zapotes, all of these were known abundant rain and plentiful harvest. They had social classes with ruling elites and common subjects, and are known for the colossal heads they built. They traded jade and obsidian, an extremely sharp rock used for weapons and tools. They fell into decline because of civil conflict.