User:Devijvers
:Stone age trading, large societies, irrigation
:First fermentation, introduction of copper smelting into Europe, introduction of horse-back riding in Europe, introduction of the wheel in Europe.
:Trade of seaweed which contains amber from the Baltic sea to Egypt.
:New breed of sheep with better quality wool, warmer clothes for European cold winters, introduction of spinning, dyeing becoming important in Europe.
[http://www.webcitation.org/5mbdeVEXb Webcite link]
[http://www.dailykos.com/storyonly/2010/1/6/822520/-Freak-Current-Takes-Gulf-Stream-to-Greenland West Greenland current story link]