 Ramba uchiverenga ndima iyi - Bhuku raWanniski ra1978 rinonzi, The Way The World Works, rakanyora dzidziso yake yokuti kuvhota kweSeneti yeU.S. pamutemo weSmoot-Hawley wekutengeserana kwakaitika panguva imwe chete neCrash yemusika wemasheya weWall Street ya1929, uye kuti kuDzvinyirira Kukuru kwakanga kuri mugumisiro weSmoot-Hawley mutero, panzvimbo pokukundikana kupi nokupi kwezvemari yekare. 