The Spirit of the Laws (French: De l'esprit des lois, originally spelled De l'esprit des loix; also sometimes translated The Spirit of Laws) is a treatise on political theory, as well as a pioneering work in comparative law, published in 1748 by Charles de Secondat, Baron de Montesquieu.
Answer is A, and I like to remember Roosevelt’s Square Deal as tackling the “CCCs”: consumer protection, control of corporations (trust busting/regulating), and conservation.