Unlike the USA, Japan and many industrialised countries in Western Europe, the USSR and the majority of the other socialist countries can carry the bulk of their mutual import and export trade by means of road and rail vehicles.
Ngokungafaniyo neUSA iJapani kunye namanye amazwe atyebileyo kwintshona ye-Europe iUSSR kunye namanye amazwe amaninzi nameleneyo angaphakathi imithwalo enzima efana namacala othungiso lwempahla eziphumayo nezingenayo ngoncedo lwezithuthi nendlela, neziporo.