The best and most correct answer among the choices provided by your question is the second choice which is "railroad tracks."
<span>By 1860 the Midwest and the East were united by a network of railroad tracks.</span>
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Answer:
D. Progressives organized youth programs, such as the Boy Scouts
and Girl Scouts, to help children develop.
They wanted a quick return to the former power and glory of Germany
The Grimké sisters were among the first to explicitly connect race oppression to women’s oppression. Using a Kantian ethical argument that opposes using humans as means rather than as ends in themselves, she noted that historically “woman has been made a means to promote the welfare of man”
She tied the subordination of slaves and women to educational deprivation, noting that both women and slaves been deemed mentally inferior “while being denied the privileges of liberal education”