A division of labor occurred when people started producing a surplus of food because it was no longer necessary to use all of the labor force to subsist off of agricultural goods. Once a society or community can produce enough to survive and eat the labor force will begin to work in other industries creating a division of labor this could include making textiles, building homes, or any other number of economic activities.
C. separation of powers. The 3 branches of government are executive, judicial, and legislative. Each branch has their own separate duties and cannot do tasks that belong to a different branch. Separation of powers also refers to each branch checking each others decisions to keep one from being more powerful or controlling than the rest.
Freedom of speech and of the press have a special place in american democracy because free and open debate is an essential mechanism for determining the quality and validity of competing ideas.