Causation

the test of a jury case is simply whether the proofs justify with reason the conclusion that employer negligence played any part, even the slightest, in producing the injury or death for which damages are sought

See Causa Proxima. CAUSAT0R (Lat.). A litigant; one who takes the part of the plaintiff or defendant in a suit. CAUSE (Lat. causa). In Civil Law. The consideration or motive for making a contract. Dig. 2. 14. 7; Toullier, liv. 3, tit. 3, c. 2, § 4; 1 Abb. 28. In Pleading. Reason; motive. In a replication de injuria, for example, the plaintiff alleges that the defendant of his own wrong and without the cause by him, etc., where the word cause comprehends all the facts alleged as an excuse or reason for doing the act. 8 Co. 67; 11 East 451; 1 Chit. PI. 585. In Practice. A suit or action. Any question, civil or criminal, contested before a court of justice. Wood, Civ. Law 301. It was held to relate to civil actions only, and not to embrace quo warranto; 5 E. & B. 1. See Logan v. Small, 43 Mo. 254; 3 Q. B. 901.