because the are strong and high.
square keeps could be easily defended they were high meaning that defenders could see attackers coming. and prepare their wepons, they could shot down arrows from the arrow slits. hurl spears and drop rocks. there where lots of ways to defend a castle but these are the only ones i know :)
Square keep castles were mainly built far from villages
concentric castles
Square keep castles (or stone keep castles) were made out of stone; you can probably tell from the name! Hope this helps.
YEAH!
square keep castles were invented
Square keep castles
Square keep castles were made out of stone. See the link for Norman castles: (See Related Links)
1949
stone keep castles were built on large steep hills hope this helps xxx
silver or gray
yes
Crackers and cheese :)