<prompt> Translate the following text to EnglishMatatizo ya usafirishaji ya kuenea Firth yalikuwa mengi, lakini suluhisho lao lilisababisha moja ya mafanikio makubwa ya uhandisi ya enzi ya Victoria, Daraja la Reli la Forth.  <response>: The logistical problems of spanning the Firth were numerous, but their solution resulted in one of the greatest engineering achievements of the Victorian era, the Forth Railway Bridge. 