When voting on legislative matters, modern members of congress must act as?

The congress should review the bill initiated by the representatives. The bill will go through a tedious process before approval. The congress will review the pros and cons of the bill and they will vote if it is to be endorsed to the next level or to be amended.

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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