Samsoc brought an action against the Sailors’ Union alleging that the Union induced and encouraged employees of Moore Dry Dock Company to engage in a strike or concerted refusal in the course of their employment to perform services for Moore in connection with the conversion into a bulk gypsum carrier of the S. S. Phopho, a vessel owned by Samsoc. The object was to force Moore to cease doing business with Samsoc and thus force Samsoc to resolve its dispute with the respondent.

Has an unfair labor practice been committed? Explain.