What was once the second-largest city in iraq before isis terrorists took control of it in 2014?

answer; /// i believe that one of the causes is (a loss of habitat);

true. earthquakes are felt whenever there is a slip around a fault in the rocks below the earth. this reorientation of faults create sesmic waves and is known as earthquake, the severity of which is measured in richter scale. these are more prominent in hilly regions as the rocks usually form faults to balance the pressures on it.

separation of church and state? not sure what you mean.