Question

montesquieu, the spirt of the law... nor is there liberty if the power of judging is not separate from legislative power and from executive power. if it were joined to legislative power, the power over the life and liberty of the citizens would be arbitrary, for the judge would be the legislator. if it were joined to executive power, the judge could have the force of an oppressor....—montesquieu, the spirit of the laws

Explanation:

The text is from Montesquieu's The Spirit of the Laws, discussing the separation of judicial power from legislative and executive powers to ensure liberty. This relates to the subfield of Law (under Social Science) as it deals with legal and political theory about the structure of power in a legal system.

Answer:

Law (under Social Science)