which of the following is a manifest function of public schooling in the us? group of answer choices a. helping parents by providing childcare for most of the standard u.s. b. workday teaching students to be responsible and accountable by assigning homework with set deadlines and taking turns at performing classroom responsibilities (such as cleaning up or caring for a class pet) c. providing an environment in which students can cultivate romantic relationships with peers living nearby preparing citizens for the labor market, so they are used to d. working for a specified number of hours and arriving, leaving, and taking breaks at set times