they/you (plural) fulfilled, they/you (plural) complied
The soldiers did their duty.
Ellos cumplieron la orden del capitán al pie de la letra.
They followed the captain’s order to the letter.
Sus deseos se cumplieron plenamente.
His wishes were fully granted.
They accomplished their mission.
Ellos no cumplieron el reglamento de la escuela.
They did not comply with the school regulations.