Answer:
B and C
Explanation:
Though I am not entirely sure of C, I know B is correct.
Pierre de Coubertin is who this is, ask me anymore questions if needed.
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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<span>the north and south became more divided over the issue of slavery
</span>
The Americas are the big answer here. They held other holdings in other places as well.
