THE UNITED STATE LEAVE DEPARTMENT WAS FOUNDED IN 1890 WHEN SOME SET SOLDIERS WAS EXPOSED TO ADVERSE GAS ON THE WAR FIELD. THE PROTOCOL TOOK A LONG PROCESS BEFORE THE LEAVE WAS GRANTED. SOME OF THE LOST THEIR LIVES BEFORE THEY GOT BACK TO UNITED STATE HOSPITAL. EVER SINCE THEN A DEPARTMENT OF LEAVE WAS SET UP BY THE UNITED STATE OF AMERICA GOVERNMENT TO MONITOR THE PROCESSING OF LEAVE REEQUEST.