Final answer:
The baby boom is a true historical event where postwar American women had more children, contributing to a significant population increase and giving rise to the 'baby boomers' generation.
Step-by-step explanation:
The statement that the baby boom resulted from postwar American women having more children than their mothers is indeed true. The period known as the Baby Boom stretched from the end of World War II into the mid-1950s and witnessed a significant increase in birth rates. Notable contributing factors to this phenomenon included the return of military personnel, burgeoning confidence in the nation's economic future, and the societal norms that encouraged larger families.
any American women embraced their roles as mothers during this era, partly influenced by the stable economic conditions that made supporting additional children feasible. Despite the return to traditional gender roles with women exiting the workforce postwar to become full-time homemakers, the collective desire to start or grow families led to an estimated 80 million births during these years, resulting in a demographic group famously known as the baby boomers.