Unitarism is: (a) The belief that management is the sole rule-making authority (b) The situation in which only one trade unions is recognized?

A unitarist perspective: HRM is the modern form that a unitarist approach to IR typically takes, that is: the management of the employment relationship primarily from the perspective of the employer.

My Answer Is Option " A "           .

I think the Option (a) is the answer. Thanks.