Social Psychology help.Post-traumatic stress disorder (PTSD) is an anxiety disorder that is caused b

Social Psychology help.Post-traumatic stress disorder (PTSD) is an anxiety disorder that is caused by a person’s experiencing or observing an extremely psychologically troubling event involving real or threatened death or significant injury to self and/or others. There are many situations and sometimes predisposing personal mental conditions that may trigger the development of PTSDYour task in this assignment is to use the Internet to find and describe at least one form of natural disaster as a cause of PTSD. Among natural disasters are hurricanes, earthquakes, tornadoes and tsunamis. You will be working with the independent variables of PTSD. Here is the basic causal proposition:Xs (Causes of PTSD)—————-?Y (Development of PTSD)Independent variables————— ?Dependent variable1.