It is now believed that the largest contributing factor to the decline of the Indus Valley civilization was an outbreak of disease--since there were no treatments and the density of the civilization led the disease to spread very quickly.
It was created to protect the rights of each us citizen
The 17th Amendment (C) established the system of direct elections of Senators by the voting public. This changed the system whereby these individuals were previously elected by state legislatures.
Peace, temperance, anti-slavery, and women’s rights.