the United States

https://tts.langeek.co/read?text=dGhlIFVuaXRlZCBTdGF0ZXM&hash=b942cdd4fce01fb0d096f239733d4467f239edb5&lang=en&cache-only=0&driver=googletts

Here you will find the vocabulary from Lesson 10C in the English File Pre-Intermediate coursebook, such as "Turk", "Poland", "Argentinian", etc.