What were the calpull?

How did mass culture begin to emerge in the 1920s? What were some of the main items and centers of trade during the pax roman? Who invented denim? Name two technological advantages europeans had over africans? Who invented the horizontal water wheel? What is the difference between wickiups and wigwams? What is the first European industry in what is now Canada? Why was building a railroad east to west difficult? What is the origin of the surname Voss? How did the reign of Caesar serve as a transition between the Roman Republic and the Roman Empire? What is the difference between BC and CE? History of eastern visayas? What does the cradle of civilization mean? How did the crusades contributed to the end of feudalism throughout Europe? What was life like in the 16th century Verona? Why did women begin to question their role in the 1950s? How long has coal existed? Why was the middle age also called the dark age? What were some rewards of the westward expansion? Did west Internal improvements?