How do the labor skills required in the "preview phase" differ from those in the newer modern factories?

Which of the following inventions most directly allowed ancient farmers to produce a surplus ?

In a story containing the following points, which would likely occur last?

Me! these questions are based on american people in the south essential questions: question 1: for what reasons will one group of people exploit another? focus questions: question 1: what influenced the development of the south more: geography, economy, or slavery? question 2: what were the economic, political and social arguments for and againsts slavery in the first half of the 19th century.