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: History has no place in the classroom.
 perspective: history repeats itself if not known
undermine

claim: social networking sites should be banned at the workplaces.
 perspective: Social media enables "sexting," which can lead to criminal charges and the unexpected proliferation of personal images.
support

claim: The United States should maintain its embargo against Cuba.
 perspective: Most of the world opposes the embargo, and maintaining it is detrimental to the reputation of the United States among the international community. 

undermine