<prompt> Mushure mekufa kwaMarx, Engels akaronga zvinyorwa zvaMarx paTheories of Surplus Value, izvo akazoburitsa se vhoriyamu yechina yeCapital. Muna 1884, akaburitsa The Origin of the Family, Private Property uye State zvichibva paMarxs ethnographic Question. Ndiani anozivikanwa kuti akagadzirisa mamwe mavhoriyamu maviri eMarx anotevera Das Kapital?  <response>: Engels 