A researcher conducts a study on terrorist movements within the United States. Upon completing his research he petitions to Congress to present his information before them. This researcher's primary goal most likely is to:

Shape social policy

Explanation:

The citizenry have such needs as instruction, government managed savings, wellbeing administrations, and lodging. Social arrangement plans to guarantee the government assistance of people through authoritative guidelines. Since social approach is influenced by social advancements, it changes dependent on the necessities of people.

In this case, th terrorism plays a role which is against society. Then, the social policy is needed to prevent them get hurt in any form.