<prompt> Translate the following text to EnglishKatika miji ni muhimu kwamba makanisa na vituo vingine vya wakati huo vilijengwa kwenye eneo lililoinuka ili kutoa vituo vya kuangalia na mifumo ya onyo la mapema.  <response>: In the towns it is notable that the churches and other focal points from that period were built on an elevated site to provide lookout posts and early warning systems. 