* strident, often exclusionary nationalism - ("America First") check.

* fixation with national decline (real or perceived) and threats to the existence of the national community - ("MAGA") check.

* embrace of paramilitarism - ("stand back and stand by") check.

* led by an authoritarian leader who claims to embody the national will. - check.

* protecting or elevating the rights of the national community above the rights of those seen as alien - ("build a wall", "I don't care, do u?") check.

* removing obstacles to national unity and suppressing those seen as challenging it - (myth of "stolen" votes, "Deep State" narrative) check.

* expanding the size and influence of the national state - (To be fair, this has been the military industrial complex for quite a long time. Nothing unique here) normalized/not unique here

* often, also seeking to expand territory through armed conflict - (Also, already a characteristic of the U.S. forever war to protect its interests globally) normalized/not unique here

Merriam-Webster: Definition of fascism

1. often capitalized : a political philosophy, movement, or regime (such as that of the Fascisti) that exalts nation and often race above the individual and that stands for a centralized autocratic government headed by a dictatorial leader, severe economic and social regimentation, and forcible suppression of opposition

2: a tendency toward or actual exercise of strong autocratic or dictatorial control early instances of army fascism and brutality — J. W. Aldridge

Don't know where you're getting your definition from.