Answer:
The answer is option 3
Explanation:
When the US government is not having good relations with a country. This serves as a message to the country, as well as a way to break political relations with them. This already happened. For example, in 2008 Bolivian ambassador Gustavo Guzman, was declared persona non grata, after the Bolivian President Evo Morales declared the expulsion of the US diplomatic Philip Goldberg.
