Wondering: are American football cultural protocols (such as play-calling systems) a causal factor in contemporary US hegemony?

A football play-calling system is the structured language coaches use to get a specific play to all 11 players before each snap. It’s not the playbook (that’s the full catalog of available football plays), and it’s not your play-calling philosophy (your tempo decisions, run-pass balance, and tendency management).

Football Play Calling System: A Coach’s Complete Guide - GoRout ↗