Why Was the Development of the Flush Toilet and Indoor

Multiple Choice

Why was the development of the flush toilet and indoor plumbing so significant?

A) It helped fight the many diseases that flourish in polluted waters.
B) It reduced the level of carbon dioxide in the atmosphere.
C) It forced Americans to learn how to conserve water.
D) It increased the attraction of America to immigrants.
E) It limited the spread of malaria.