Why was Philip Nolan called "the man without a country"?​

The Man Without a Country" is a short story by American writer Edward Everett Hale, first published in The Atlantic in December 1863. It is the story of American Army lieutenant Philip Nolan, who renounces his country during a trial for treason, and is consequently sentenced to spend the rest of his days at sea without so much as a word of news about the United States.

Explanation:

thank you

which speech are you talking about?

we need to see the examples!