What is a wallstead?

What is the origin of the surname Kalwary? When was the first potter's wheel invented? Where did the word curfew originate? What Ancient Greek culture laid the foundation for Western civilization in all of the following areas EXCEPT? Did houses have running water in the early 1900s? In which year and month it was started? How did paper change civilization? What benefits did the crusades bring to Europe? What is the origin for the word nomadic? When was wheeled traffic permitted in early Rome? How does moving west affects slaves? What is a well armed medieval soldier called? What kind of government system did Cesar Augustus create? What were the roman main styles of clothing in the olden days? Can middle class people afford flying lessons? Who followed the Greeks as the leader in western culture? Who invented a wagon train? A sentence for aqueduct? The most famous European to travel to china serving the government of kublai khan from 1275 to 1292? Did they really wear black leather pants in the 1500s?