The primary driver for an organization on a multi-year cloud implementation to publish a cloud security policy is to establish minimum cloud security requirements, as they specify the standards and expectations for the protection of the data and systems in the cloud environment, and ensure the alignment and compliance of the cloud security strategy with the organizational objectives and regulations. The other options are not the primary drivers, as they are more related to the evaluation, enforcement, or education of the cloud securitypolicy, respectively, rather than the establishment of the cloud security policy. References = CRISC Review Manual, 7th Edition, page 155.