<span>B.
Han China
Hope this helps
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<span>most of the surviving Plains’ tribes were forced to live on reservations, while some American tribes escaped to Canada</span>
At the end of the Civil War, the communication system that the
railroad used to coordinate their complex flow of rail cars is through the
telegraph. This is used for transmitting messages with the use of a wire in
which is a way of making signals in means of breaking and making an electrical
connection.
Answer: B. the Delian League
hope this helps
