Since so many people lived in river towns during the nineteenth century, public health board were primarily concerned with _____.
a. preventing drowning
b. keeping the water supply uncontaminated
c. food quality on steamboats
d. inspecting food brought into local ports
Question 2
The military is not a perfectly competitive market because
A) there is only one buyer, i.e., the government, for military goods/services.
B) there is imperfect information, i.e., intelligence branches.
C) there are heterogeneous goods/services because each military branch provides different goods/services.
D) All of the above
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Wang Guochen, c. nineteenth century
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