0

15,000

10,000

5,000

BCE

BCE

BCE

3,000

BCE

2,000

1,000 500 BCE

BCE

3CE

Population in millions

Which of the following innovations best explains the population change that occurred between 5,000 BCE and 500 BCE,

as shown on the graph above?

A.

the specialization of labor

B.

the invention of the wheel

C.