Following World War I,which of the Following Statements Is True

Following World War I,which of the following statements is true of Latin America?

A) Booming economies during the war collapsed, which led to dictatorships and "emergency" governments.
B) Mexico finally saw the revolution end with well-educated professionals taking over the government.
C) Falling demand in the United States and Europe for raw materials led to significant poverty and economic decline.
D) all of the above