habían potenciado
-they/you had promoted
Past perfect ellos/ellas/ustedes conjugation of potenciar.

potenciar

Un orador observó que se había mejorado la formulación de los propósitos y objetivos del Departamento y se habían potenciado su eficacia y efectividad generales.
The goals and purposes of the Department had now been better formulated and the overall effectiveness and efficiency of the Department had been enhanced, noted one speaker.
Word of the Day
gullible