A trade union is an organisation of workers that promotes and protects the interests of its members in issues such as wages and working conditions, especially through negotiations with employers. SA Commercial, Catering and Allied Workers’ Union (SACCAWU) is the union in the extract representing the needs of its members (Pick n Pay employees). Show your elaborate understanding of the relationship between employee needs and their decisions to join trade unions, as well as the impact this has on union goals in South Africa