What is the topic of the section of the passage titled"a nantucket childhood

The passage in A Nantucket childhood just talks about the life of Maria Mitchell, the first woman astronomer in United States, and also a pre-eminent woman scientist of the nineteenth century.  The passage talks about the life of Mitchell and her experiences until she became the known first woman astronomer in United States.

i think the answer is b.

your answer is 1930's

explanation

this is just around the time the great depression was starting and putting the us ecnomy into ecnomic failure causing the goverment to take a much larger rule to try and pieace it back together