Which of the Following Accurately Describes an Environmental Cause and Effect

Multiple Choice

Which of the following accurately describes an environmental cause and effect for riverine societies around 2200 BCE?

A) A series of earthquakes led to the destruction of walled cities such as Troy and Jericho.
B) Excessive monsoon rains flooded many of the fields needed to produce food,which led to the downfall of ruling elites.
C) Prolonged drought led to famine,which caused the downfall of ruling elites.
D) Cooling temperatures led to the destruction of crops needed to support urban populations.