>>513444104 (OP)
>ice cream
Creamy sorbets first appeared in Italy, said to come from middle east trader knowledge, in Persia and Syria the creation of icy ointments was known since the crusades, but as a food it is said to have been popularized by Marco Polo who instructed how to make sorbets in his estate after returning from Mongol China as a rich man.
>rap
First instances points to the irish
>potato chips
Peruvians a millennia ago
>gas masks
German, known today by tinkering from american engineers
>traffic lights
English invention
>music genres
Great music (hip hop and rap ain't music) but to be completely fair those became influential due to american influence on itself, anything popular there would've been popular elsewhere.