Syria is now fully entitled under international law to attack the U.S. [View all]

[KingCharlemagne]

and its possessions anywhere and anyway it can. Trump was required to go to the U.N. Security Council and did not do so. Syria is now under no obligation to seek U.N. Security Council permission since current international law allows nation states to engage in military action to defend against actual or imminent attacks.

Whether Syria is capable of attacking the U.S. or its assets is another question entirely, but it would be fully within its rights to do so from this point forward. That's what flagrantly violating international law produces.