The correct answer is D. All of the above
Step-by-step explanation:
Sylvester Graham was mainly known as a dietary reformer during the 19th century and in some cases considered as the "Father of Vegetarianism" because he supported the idea that meat had negative effects on the body and soul of people; besides this as dietary a Reformer Graham was influenced by religious ideas as he believed diet was linked to sexuality and physical pleasure as there were the result of going against the natural law that according to Graham was to eat only plants as Adam and Eve.
These ideas were controversial during the 19th century but also many people began supporting Graham's reforms and became reformers themselves that as Graham aimed at leading changes in diet that were related to the body, nutrition and soil as it was believed meat had negative effect in them, but also in sexuality as by keeping a correct diet lust could be prevented. Therefore, Sylvester Graham's reformers target all of the above (the human body, nutrition, and sexuality).