Identify a major shift (for example, educational policy, court decision, curriculum approach) that you feel has greatly impacted education research and delivery.

There have been series of court decisions that has shaped education research and delivery. These includes Winconsin Versus Yoder

Explanation:

A certain family did not allow their wards attend public schools in the state of Winconsin, because of religious believes. In response, the case was brought before the court. Which the court ruled, and made it mandatory for ALL pupils, irrespective of religion to attend public schools till the age of 16.

it would be d). more resources must be obtained to attain that combination of goods and services