A. The information may be physically located in the United States, which would allow the US Government to obtain direct access to that information. Where the information is located in Canada, the US Government would have to approach the Canadian Government to obtain that same information.
Also, information which is held in an email account has no guaranteed privacy. Any email exists not only in the account it has been sent to, but also in the account it was sent from, in any accounts to which it was forwarded, and likely on many servers which are situated in the United States. If an email user wanted to ensure that their account was not subject to US Government surveillance they would also need to ensure that those with whom they are corresponding have also ensured that their own accounts have no US exposure.
Posted in: Privacy