According to the selection, which two of the
following events are currently being debated as
possible causes of Angkor's collapse?
А
The city's people rebelled against their ruler, who forced
them to leave.
B
The city was partly burned after a major fire was sparked
by lightning
©
The city's land fell fallow and crops failed.
D
The city's water system was destroyed by harsh weather
and mounting environmental problems.
E
The city was attacked by a rival empire from a nearby
region.