<prompt> Translate the following text to SwahiliThe steep fells protected the population but also made transportation of any kind difficult; many of todays footpaths follow ancient pack-horse trails, which for centuries were the principal method of transport.  <response>: Mteremko huo uliwalinda watu, lakini pia ulifanya usafiri wa aina yoyote uwe mgumu; njia nyingi za leo za kutembea hufuata njia za kale za farasi, ambazo kwa karne nyingi zilikuwa njia kuu ya usafiri. 