habían premiado
-they/you had rewarded
Antecopretérito para el sujetoellos/ellas/ustedesdel verbopremiar.

premiar

Los electores —por primera vez pudieron votar las mujeres— habían premiado a los llamados partidos de masas, que eran los que habían participado en la Resistencia y que ahora los electores llamaban a redactar la nueva Carta constitucional.
The voters–women were allowed the vote for the first turn–had rewarded the so-called mass parties, which were also those that had fought in the Resistance and that were now called by the voters to draft the new constitutional Charter.
Palabra del día
el eneldo