In Marshall v. Barlow's, Inc., which of the following led the court reach its final decision?

Group of answer choices

No search warrant is expressly required under the OSHA.

Mr. Barlow refused the inspector admission to the employee area of his business.

Warrantless searches are rarely unreasonable.

Employees are prohibited from reporting OSHA violations.

Something observable by the public without a warrant does not apply to the Government inspector.