William krusen actions during spanish flu

By mid-September, the Spanish flu was spreading like wildfire through army and naval installations in Philadelphia, but Wilmer Krusen, Philadelphia’s public health director, assured the public.

Explanation:

polisit can also mean a body of citizens. in modern historiography, polis is normally used to indicate the ancient greek city-states, like classical athens and its contemporaries, and thus is often translated as "city-state". the body of citizens came to be the most important meaning of the term polis in ancient greece.

an ecozone is best defined as a substantial part of the earth that contains living beings.

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