Children's workbooks—spelling, mathematics, etc.—are often organized in units that very gradually increase the difficulty and sophistication of the problems that are presented to a child. How is this consistent or inconsistent with the cognitive developmental theory of Jean Piaget?

In a modern democracy all elected officials serve for a certain number of terms then must retire a high school sophomore and a senior citizen may vote at the polls together a united states senator votes on immigration law on behalf of your mother through indirect ballot all democracies have a two chamber system of representation united states citizens live in a direct democracy