WWII was the precursor to the Baby Boom.
The term "Baby Boom" most often refers to the post–World War II Baby Boom (1946–1964) when the number of annual births exceeded 2 per 100 women (or approximately 1% of the total population size). There are an estimated 78.3 million Americans who were born during this period.
Explanation:
It is the right distance from the Sun, it is protected from harmful solar radiation by its magnetic field, it is kept warm by an insulating atmosphere, and it has the right chemical ingredients for life, including water and carbon.
The difficulties they struggled with was the Bubonic plague also known as the Black Death caused by bacterium yersinia pestis and civil war.
It was A Mesopotamia let me guess you are in 5th grade I did the same thing as you when I was in your grade.<span />
B is the closest answer to your question, so B is the answer :)
