Why is NFL Football the USA's most popular sport?

Duh!!!

"Violence is American as apple pie", (sic) H. Rap Brown.

Even many of the most non-violent church-to-TV on Sundays to cheer.

What's sport is a call to arms, from Pee Wee on there are...
"bombs bursting in air"

turn sports to mortal combat and exceptionize was what's universally known as football to soccer

under the threat of "bombs bursting in air".

^#Kwasibility.