Can a Canadian citizen own a US corporation ? And also be a single member as well with no partners ?
The answer to both questions in yes, a Canadian citizen (or any citizen for that matter) can own a US corporation, and this corporation or otherwise and LLC can be owned solely by that person.
Keep in mind that owning a US entity might require such person to obtain what is called an ITIN and file personal tax return with the IRS (even if there was no profit in the US).
(a) You made a typo in the card number, CCV code, expiration date, name or address;
(b) Your card balance is too low;
(c) Issuing bank has declined this transaction for some other reason related to your account.