They actually don't know for sure what led to the decline but a lot of people believe that the Aryans invaded and conquered the Indus Civilization which would make sense because they were the next people group to live there. I hope this helps!
<span> The Constitution, as it was adopted in 1788, stated that </span>senators would <span>be </span>elected<span> by state legislatures.</span>
The area of land add was the <span>oregon country</span>
in what aspect? it depends on what you are talking about
