By the 1990s, China's economic transformation faced new challenges, among them,
a. exploitive labor, including women and children.
b. competition from U.S. manufacturers.
c. its declining global status.
d. environmental problems and student protests.
e. work stoppages by labor groups.
Question 2
The decline of Mycenaean Greece, and the start of the Dark Ages, was caused by
a. volcanic eruption
b. invasion of Greek speakers from the north
c. destruction of trade by Phoenician raiders
d. inability to sustain a population with sufficient agriculture
e. we don't know.