As the 1800s progressed, demands for labor reform increased mainly because

definitely a for sure. ill see and update if i get the answer

explanation:

the addition to geographic boundaries that might have  kept the people of the huang river civilization from traveling to far distance region is that they had learned about the other river valley civilizations but feared contact would bring invasion.

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sep 30, 2009 - what is the best description of trade among northwest indians prior to the best answer: 1, indians traded among numerous groups for goods that came from indian government was strong and centered authority in an elected chief. a shaman as the white man called him was a healer and nothing else.