Which of the following is not one of the events in the past that changed the alignment

the percentage of students at the school need special diets is

c) 10 percent

continental currency was denominated in dollars from $​1⁄6 to $80, including many odd denominations in between.

urban people were mostly involved in jobs that required phyisical labor they are paid daily wages (minimum wages) from which they evoke their living. daily wages also mean that the day they don't turn up for work ,even due to sickness, they aren't paid anything.