Military strikes are absolutely acts of war. Pretending otherwise is silly and I don't think you'd extend your definition to another country striking the US.

https://www.law.cornell.edu/definitions/uscode.php?def_id=18-USC-1479682157-1415921654

Undisciplined

Military strikes are not wars. They never were wars and to think that Trump has started any wars is just not understanding what a war is and what it entails.