Action, cause of — Interference with legal right — Intent to injure — Lawful excuse — Combination to further own interests — Trades union — Combination doing illegal act or using illegal means to effect its purpose — Illegal conspiracy — Interference with employment — Coercion of employer — Threat of illegal strike — Strike of workmen — Procuring breach of contract — Damage.

Action, cause of — Inducing employer not to engage workman — Interference — Just cause or excuse — Self-interest — Motive.