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Home Q & A Board Humanities History
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tetleyelmo tetleyelmo
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7 years ago
What wartime scientific breakthroughs resulted in a dramatic reduction in battlefield deaths and also helped contribute to an increase in the average American lifespan after World War II?
A) antibiotics such as penicillin and streptomycin
B) better nutrition
C) vaccines for whooping cough, diphtheria, mumps and measles
D) electric refrigerators
Textbook 
By the People: A History of the United States, AP Edition

By the People: A History of the United States, AP Edition


Edition: 1st
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Yoko900Yoko900
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