42. In which century was the modern state system inaugurated?
(A) The fifteenth century
(B) The sixteenth century
(C) The seventeenth century
(D) The eighteenth century
(E) The nineteenth century
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統計: A(0), B(1), C(19), D(0), E(0) #3085733
統計: A(0), B(1), C(19), D(0), E(0) #3085733