Answer:
a.an increase in the need for teachers as a result of more children in the Ohio educational system
Explanation:
Latent function is an unintended effect of a policy, an activity or action while manifest function is the intended effect of a policy, activity or a process.
The manifest function of the state's policy is to increase population and this can be achieved via increased birth rate. An increase in the need for teachers as a result of more children in the Ohio educational system is not a direct purpose of the policy, it is an unintended effect of the policy, this is also known as the latent effect of the policy.