A French plane which was used at the same time as the conflict in Libya
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What lessons on military intervention can be learned from past conflicts ?

29 August 2013 Last updated at 18:23 BST

The British Government has already argued that any intervention in Syria would be in accordance with international law.

But recent history suggests that such steps are not always clear cut.

So what are the lessons from past conflicts?

The BBC's Defence Correspondent Jonathan Beale explains.