The Kelo vs City of New London case involved homeowners in New London, Connecticut who sued the city when it used eminent domain to seize their properties for private development as part of an economic revitalization plan. The homeowners argued this violated the Fifth Amendment's takings clause, which allows eminent domain only for public use. The Connecticut Supreme Court sided with the city, finding the planned development would benefit the local economy. The U.S. Supreme Court also ultimately ruled 5-4 in favor of the city, establishing that economic development qualified as public use for eminent domain purposes.