I believe you could be referring to the spouse of the President, also called the First Lady of the United States. The spouse of the President is non-elected and not confirmed by the Senate. Although she does not have real power, she can be very influential and has a prominent presence in the live of the nation.
As a result of the French and Indian War, Britain received Florida from Spain and Canada from France, while France maintained its West Indies colonies and Spain received Louisiana from France.