Complex sentence: So he ordered the old cannon, which sat in front of the famous Sam and Roy Bean's store, to be loaded with rusty nails and buckshot; there were no cannon balls, as the cannon was only there for show.
Split into simpler sentences: So he ordered the old cannon, which sat in front of the famous Sam and Roy Bean's store, to be loaded with nails and buckshot. This was done due to the lack of cannon balls, the cannon was only there in front of Roy Bean's store for show.