USING THE ESSAYS “THE DOWN-TOWN BACK ALLEYS” AND “NEW YORK UNDER THE SNOW’ BY JACOB RIIS AND JOSE MARTI RESPECTIVELY AND “1918 INFLUENZA: THE MOTHER OF ALL PANDEMICS” BY JEFFFERY TAUBENBERGER AND DAVID MORENS, WRITE AN ESSAY DISCUSSING THE FACTORS THAT WOULD HAVE MADE THE RESIDENTS OF NEW YORK CITY VULNERABLE TO THE INFLUENZA PANDEMIC OF 1918.