The building was originally a barracks building but was suitably refurbished by Sir Robert Lorimer in 1923 to commemorate the Scots who fell in World War I; the halls of remembrance now also commemorate those who died in World War II and all other conflicts.

Does it follow that "The building was supposed to built in honor of the Scots who died in the first World War but the other wars were added in the 1970's."?
it is not possible to tell