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.
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Question: claim: We can trust Republicans with the economy.
 perspective: Deregulation contributed to the banking crises and, therefore the 2009 economic crash 

Answer: undermine


Question: claim: Books should have content warnings.
 perspective: Danger of censorship.

Answer: undermine


Question: claim: The Spread of Nuclear Weapons: More may be better.
 perspective: It is immoral to use the threat of nuclear annihilation in order to achieve foreign policy aims

Answer:
undermine