According to document b, what country concerned both austria-hungary and germany? why would this be such a concern

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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.

This passage best represents which of these theories in the declaration of independence?