Question: where is the line between north and south america
Answer: between Europe and Asia ( dividing Eurasia ) : along the Turkish Straits , the Caucasus and the Urals ( historically also north of the Caucasus , along the Kuma -- Manych Depression or along the Don River ) between Asia and Africa ( dividing Afro - Eurasia into Africa and Eurasia ) : at the Isthmus of Suez between North America and South America ( dividing the Americas ) : the Isthmus of Panama