What were the two main social classes in rome?

What do the discoveries of shells used in jewelry and a huge dredged canal tell us about the indus valley civilization?

Based on a comparison of the myths “the maori: genealogies and origins in new zealand” and “the raven and the first men: the beginnings of the haida,” if the maori and the haida people decided to create a myth together, what would most likely be the value expressed?

Monopolies were legal in the united states until a)the 1860s. b)the 1870s. c)the 1880s. d)the 1890s.