Were developed for a wide range of psychological disorders. their success ushered in the movement toward empirically supported treatments and evidence-based practice.

TREATMENT MANUALS were developed for a wide range of psychological disorders.

psychological disorder is way harder to be diagnose compared to physical disorder because there is no way to quantitatively measure psychological symptoms.
Treatment manuals filled with several indicators that could help the psychiatric to diagnose their patients

It could be anything, recent improvements in technology/telecommunication/internet have increased the pace of globalization.generally, it has something to do with technology. globalization means that people around the world are brought together through technology which speeds things up. so maybe some of those options could be correct. : )

That is true , instead try to have a sit down talk with them