the United States

https://tts.langeek.co/read?text=dGhlIFVuaXRlZCBTdGF0ZXM&hash=fa7424ea79e34b1843756305c7b174aa544fb300&lang=en&cache-only=0&driver=googletts&accent=US

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