How many years are between the construction of pyramids and hammurabi's laws

Need on these last 2 questions on my social studies homework 5 and 6 then i’m done with the homework

Considering the benefits and drawbacks of the different types of money as well as the gold standard, do you agree or disagree with the us government’s decision to discontinue the gold standard? justify your response.

States' compliance with the native american reservation treaties drawn up by the federal government for the native american nations is: