What is Cause ?
Cause is (noun) 1. a thing which makes something happen What is the chief cause of traffic accidents? The police tried to find the cause of the fire. died from natural causes having died from old age or illness, and not killed in an accident or crime 2. an organisation which people support She is fighting for the cause of working mothers. (verb) to make something happen The accident caused a traffic jam on the motorway. The sudden noise caused her to drop the cup she was carrying. Antonym impede
source: Easier English, Student Dictionary Upper Intermediate Level