Based on U.S. birth statistics, the period in which the birth rate grew most quickly was between 1945 and 1950.
Why did the birth rate grow so quickly?
The United States had just won the second World War and economic prosperity kept increasing.
People therefore felt more secure and economically well-off and this inspired them to give birth to more children.
In conclusion, option B is correct.
Find out more on birth rates at https://brainly.com/question/1851630.
