 What set the "Quiet Revolution" aside from the three evolutionary periods was that the revolution was a change marked from static decision-making to one of dynamic decision making.According to Goldin, a key cause of the Quiet Revolution was the development of new contraceptive technology, namely the birth control pill.Young women married and had children at a lower rate if the state they lived in had early legal access to it; women could set aside their relationships and pursue a career through higher education.