In this task you will be given a claim and a perspective. You should determine whether that perspective supports or undermines the claim. If the perspective could possibly convince someone with different view, it is supporting, otherwise it is undermining.

claim: Scotland should cede from the union.
 perspective: If Scotland were independent then it would have more power in important areas.
support

claim: All nations have a right to nuclear weapons.
 perspective: The pursuit of nuclear defence (respectively the possession of nuclear weapons) by more countries is a guarantee for peace. 
support

claim: social networking sites should be banned at the workplaces.
 perspective: Social media allows people from around the USA to gather together to discuss political ideas and make change.  

undermine