When and to what extent should a modern democracy intervene into a foreign conflict?

This poll operates like a wiki: feel free to update its summary and, if applicable, add a new, better option to the poll itself.

Generally and theoretically speaking, when and to what extent should a modern democracy intervene into a foreign conflict?

How much do you agree with each of the proposed statements?

listing in manifesto:
http://en.minguo.info/manifesto/foreign_policy
policy wiki:
http://minguo.info/usa/wiki/foreign_policy

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