17th c-small landholdings, low-productivity agricultural practices, poor transportation, and adverse weather limited and disrupted the food supply, causing periodic famines kept population low.
18th c-higher agricultural productivity and improved transportation increased the food supply, allowing populations to grow and reducing the number of demographic crises.

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.