Read the following conclusion. As a result of public unease about the quality of schools in the 1960s, conservatives pushed forward radical changes to address these issues.

Which sentence from the article provides the BEST support for the above statement?

Question 2 options:

More schools added computer-assisted instruction systems, which offered interactive lessons on a one-on-one basis.

In order to clarify what was expected of teachers and students, states increasingly detailed curricula and set competency standards.

A series of reviews followed, accompanied by many proposed changes.

The main concerns were the curriculum, achievement as measured by student test scores and teacher performance.