A,B, D It will lessen the constituents of the Catholic religion, which in his mind is good, because they are the major "breeders".
B. It will give the poor a Valuable asset becuase their kids will be worth money and it will improve business in the taverns to sell the new "dish".
D. Not sure if the word tavern was used more than Restaurant, but going with the assumption that tavern and restuarant can be used interchangeably.