An Internet country code, or country code top-level domain (ccTLD), is two letters. For example, the United States is .us, France is .fr, and Japan is .jp.
The country with the letters "newsed" is Sweden.
You use the stamps from the country of origin. So if you are mailing a letter from the US to Australia, you use US postage.
Yes. Letters can be mailed from the US to Nova Scotia, and vice-versa. As these are letters outside the country of origin, the postage costs a bit more than domestic mail.
Czech Republic is a country. It has 13 letters.
The US
No country has all of those letters in a single name.
Norway is the country that contains the letters yanrwo.
The country with the most letters in its name is the United Kingdom.
No country in Europe begins with the letters "To-". Togo is the only country that begins with the letters To. Togo is in Africa.
That is what stamps are for, to pay postage. In the US you buy postage stamps and put them on mail to any other country in the world.
The letters "occisaatr" can be rearranged to spell the country "Costa Rica."