The course of culinary history was changed by the French Revolution particularly due to and

A$.$ The serving of restoratives by $M.$ Boulanger at his all$-$night tavern; the emigration of royal chefs to the United States and other parts of the world.

B$.$ The opening of The Court of Two Sisters in New Orleans; the implementation of the cooking brigade at all four$-$star restaurants.

C$.$ The invitation by Thomas Jefferson to a French chef to come to the White House; the increased availability of cooking spices due to more trade routes opening.

D$.$ Thomas Jefferson developing a passion for French cuisine; the introduction of coffee by the Turks.