The systematic effort to kill or destroy an entire population is known as ____.
a. manslaughter
b. homicide
c. infanticide
d. murder
e. genocide
Question 2
The most important reason why cities did not develop before 3,500 BC was that
a. plant cultivation was not sufficiently advanced to create a food surplus.
b. wall-building technology was not yet capable of repelling invaders.
c. buildings erected on riverbanks prior to that time sank into the soil.
d. sanitation technology was not sufficiently advanced to keep densely packed urban dwellers from spreading plague to each other.
e. urban technology was impossible prior to the invention of the steam engine.