My second attempt at terraforming the landscape around my base was much easier after learning the compliment of commands involved.
At the same time one of my characters gained the ability to craft long range mortars, which got me to thinking about surrounding four mortars with earthen berms to protect them from line-of-sight fire from possible future attackers.
My question or help request is: if anyone knows if earthen berms would slow or even stop weapons which use line-of-sight (cannons specifically) from targeting those mortars if they are built behind or surrounded by earthen berms in all four cardinal directions ?