Which artistic technique was developed during the renaissance and used in the last supper

During the Renaissance, Leonardo da Vinci painted the famous painting called "The Last Supper". He used a different technique that was actually developed because of it. Leonardo was commissioned by Duke Ludovico for the refectory of the monastery of Santa Maria delle Grazie in Milan. In order to paint it, Vinci used an oil mix and applied it to drywall. The correct answer is PERSPECTIVE.