Who were the first settlers of the old Southwest

A．It is a limited-intake diet.
B．It is a new high-energy diet.
C．It is a restricted-menu diet.
D．It is a two-thousand-calorie diet.

A．Because Dr. Scarsdale designed the diet.
B．Because the doctor who designed the diet was from Scarsdale, New York.
C．Because the book that Outlined the diet was published by Scarsdale.
D．Because the diet leaves scars