Assertion: castle's form | /r/HasProperty | simple wooden palisade
Facets:
value: with earthworks
type: OTHER
Source sentences:
text: The earliest form of fortified camp was a simple wooden palisade, perhaps with earthworks, surrounding a camp (ringworks), sometimes with a permanent wooden tower in the centre.
text: A common form of defence was a simple tower house - a stone house built high enough (and with a stout raised door and small, barred high windows) to make it difficult to attack without mounting a full siege.
text: The earliest form of castle was a simple wooden palisade, perhaps with earthworks, surrounding a camp, sometimes with a permanent wooden tower in the centre.