Good morning!
The Reconstruction ended with President Rutherford's order for federal troops to leave the southern states. Thus, with Rutherford's election in 1876, in one of the most disputed elections in the history of the United States of America, Reconstruction was at an end.
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Answer:
The first civilizations appeared in major river valleys, where floodplains contained rich soil and the rivers provided irrigation for crops and a means of transportation.
Hope this helps!
The answer to your question is coastal areas. D
