Changes

The development of cannons led to the decline in importance of [[castle]]s after the [[Medieval]] period, as troops in such immobile fortified positions could be very easily worn down by artillery fire. By the 17th century the "art" of fortification had become a science.  

The development of cannons led to the decline in importance of [[castle]]s after the [[Medieval]] period, as troops in such immobile fortified positions could be very easily worn down by artillery fire. By the 17th century the "art" of fortification had become a science.  

[[File:A cannon in the walls of Campeche.jpg]]

[[File:A cannon in the walls of Campeche.jpg|thumb|A cannon in the walls of [[Campeche City]], [[Mexico]].]]

 

A cannon in the walls of [[Campeche]].

==See also==

==See also==