evidence, impact?

If we really want to improve the relation between research, policy, and practice in education, we need an approach in which technical questions about education can be addressed in close connection with normative, educational, and political questions about what is educationally desirable.
The extent to which a government not only allows the research field to raise this set of questions, but actively supports and encourages researchers to go beyond simplistic questions about “what works” may well be an indication of the degree to which a society can be called democratic.
Here.

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The social impact is the impact of the whole situation is that somehow will cause injury

the population. These events led to the creation of a scenario of instability and conflict.