Answer: The "Autumn Song" describes the sadness that comes and prevails as the autumn comes. The poem has a theme of depression and lifelessness that comes with the coming autumn. The poet says his heart begins to sink with grief and sorrow as the autumn leaves begin to fall.
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In case of drastic emergency or fallout if the us were to stand alone it would need supplies it could get on its own
World maps do have changed during the centuries because we grew in knowledge and technology, but the maps have also been shaped by differences in culture, religion, experience, and geography and also because of different natural disaster