What food crops were not available in Europe prior to 1492 and were only found in the New World?

Plz 50 points answer only if you know and don't copy answer describe how the geography of the korean peninsula affected where people settled and how they lived.

Which of the following statements os an example of how climate and vegetation influence lifestyles? a. many south koreans enjoy watching american films and listening to american music. b. many mongolians are pastoral nomads who raise livestock for a living. c. many chinese peasants are moving to cities in search of better jobs opportunities. d. many north koreans wish to see relatives now living in korea.

In what is known as the great migration, large numbers of african americans moved from the rural south to northern cities, beginning in the early twentieth century. what motivated this large-scale movement?