Why do we know more about society under the Shang dynasty than we do about society in the Indus River valley?

Because the shang dynasty is the oldest chinese dynasty and its existence was supported by archeological finds!

Explanation:

if this is wrong i apologize in advance -;--;-;-;-;-;;-;

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explanation:

john maynard keynes developed new economic theories in response to the : b) great depression of the 1930s. his theories are so important that they are known as "keynesianism". in his works he supports the idea of a government with deeper involvement and intervention to end the great depression.