What led to Syria being considered a failed state?

A low GDP and the resulting poverty caused conflicts between its citizens.
A low GDP and the resulting poverty caused conflicts between its citizens.

King Abdullah chose 30 women to serve in the Consultative Council.
King Abdullah chose 30 women to serve in the Consultative Council.

An invasion led by U.S. forces forced Saddam Hussein out of power.
An invasion led by U.S. forces forced Saddam Hussein out of power.

Large parts of the country came under control of rebel groups and terrorists.

Large parts of the country came under control of rebel groups and terrorists.