The answer is the last option,<em> "Public schools, women's colleges, and new reading books".</em>
<em>Explanation:</em><em> </em>In colonial America, higher education was only design for men. Few universities admitted women prior to the American Civil War. Everything changed since 1800 when women had more opportunities related to the educational system, it increased a lot that the next century, women surpassed men in numbers of bachelor's degrees.
The answer that best completes the statement above is 15 YEARS OLD. This is the age that young boys commonly start in making substantial contribution to the household in most traditional farming societies. This is to prepare them as future household leaders by gaining more experience at a younger age. This is also the same with women as well.
Cocaine is a drug that is considered and known for being addictive and dangerous,which is used for illegal purposes.
Amphetamines is a synthetic form of mood changing medicine,which is legally a drug can is used to treat children that has ADD and adults for narcolepsy,which medical experts believe the usage is safer than cocaine of course.
Hope this helps!
I apologize if there's any errors in wording or punctuation.