While China Fortified Its Borders and Reinstated Political Systems That

Multiple Choice

While China fortified its borders and reinstated political systems that had been dismantled by the Mongols, it also had to contend with a sharp drop in population due to warfare and the lingering effects of ______________ that ravaged the country in the 1340s.

A) syphilis
B) bubonic plague
C) yellow fever
D) leprosy