What did people eat before the Columbian Exchange?

Who conquered Britain before 1066? What god is Mercury named after? What were the important and lasting contributions of ancient Egyptian to civilization and its rulers overtime? Is the creation account a myth? In what year did Sophocles enter his first City Dionysia How old was he at the time? What was Narmer's capital city? What is another name for Hermes? Who is Helen of troy compared to in modern day world? How does Achilles return to battel? What Greek word means revolve? What were some major physical features of ancient Rome? What two rivers formed the furthermost boundary of the Roman Empire in Europe during the reign of Augustus? What things are special to Athena? What was the wrestling prize in ancient Greece in the Olympic games? What was the monster with a human head and lion's body that gave riddles to travelers in greek mythology? What dynasty was paper money invented? Is Herod Metallarius the mother or father of Saint Sabina? What helped the spanish conquer the Inca empire? What role might gods goddesses have in times of war? How did Zeus the greek god help people?

What did people eat before the Columbian Exchange?