Answer :
Aristide Boucicaut is best defined as being a traveling salesman who built the world's first department store in Paris.
Aristide Boucicaut was a traveling salesman who built the world's first department store in Paris. Option B is correct.
Aristide Boucicaut was known as a French entrepreneur who created the first modern department store know as Le Bon Marché to sell lace, ribbons, sheets, mattresses, buttons, umbrellas, and the like. It was founded in 1838. it constituted one of the first modern department stores.