What is a partcullis?

Why is the flush toilet called a crapper? Why was Kublai Khan esteemed by his subjects? What started the war between werewolves and vampyres? How does history affect cultural communication? What is the origin of the word curve? When did people learned how to use control fire? What was the Mongol Yoke? Who won the earliest battles of the Thirty Years War? How have jeans changed over the years? Were the crusades successful in that the Holy Land was recaptured and retained? Where does name castle come from? What Groups that ruled kiev and the surroundings are in chronoligical order? What is the meaning of the word Culos? When and where did communication start and under what circumstances? Why was feudalism introduced? What two classical culture did the renaissance revive? What century was 1345? What is Mary astells opinion on marriage for woman in 1700s? What time was human culture developed? Did Kublai Khan ever meet Marco Polo?