Under the Articles of Confederation, the law of nations was not recognized, but as commerce started to flourish, problems started to appear in trade disputes with foreign nations as to what law was to apply. This revealed a void in the law, because, although the sovereign state wouldn’t recognize the law of nations, the individual could demand his right to contract through the ius gentium (Roman law). That is why the right to contract is imbedded in the Constitution in Article I section 10.