If you only want to be a country, I suggest you only apply for American trademarks.

To apply directly to the United States Patent and Trademark Office, the following materials shall be submitted

(1) If a legal person applies, it shall attach/kloc-0 copies of business license or valid registration certificate with official seal; if a natural person applies, it shall attach/kloc-0 copies of personal identity certificate;

(2) Detailed information of the applicant (in Chinese and English), including name, nature, nationality, detailed address, postal code and contact information;

(3) Standard samples of electronic trademarks;

(4) the name and category of the commodity;

(5) The applicant submits a statement of sincere use of the trademark, indicating which products or services the trademark will be used for (intended to be used for);

(6) The applicant provides a statement on the true use of the trademark in the business (actual use).