Advances in the production of sweeteners has hastened the end of involuntary servitude is the sentence that best states the author's claim. This is stated in "....the Age of Science , in which sweetness is a product of chemistry , not whips."
Today ......., but sugarcane .....source does not state the author's claim because he/ she is not drawing any conclusion about the quality of sugar, sweeteners or sugarcane.
The Age of Science........slaves is wrong because the author is not drawing a parallelism between science and slavery.
Brazilians .... successfully is information that has not been unfolded by the author.