For the appetite Mammy had always deplored, the healthy appetite of a nineteen-year-old girl, now was increased fourfold by the hard and unremitting labor she had never known before.
Since its inception in 2000, total African exports utilizing its benefits have increased fourfold, and the U.S. is committed to building on this growth by extending the program for another 15 years.
The growth in public money for academic research has speeded the process: federal research grants rose fourfold between 1960 and 1990, but faculty teaching hours fell by half as research took its toll.