The outcome of the US presidential election in 2000 was determined by

On December 12, the Supreme Court ruled in a per curiam decision (asserted as a 7–2 vote) that the Florida Supreme Court's ruling requiring a statewide recount of ballots was unconstitutional on equal protection grounds, and in a 5–4 vote reversed and remanded the case to the Florida Supreme Court for modification.

Explanation:

demand is the need and oportunity to buy a given good or service.