What do archeologists identify as one possible reason for the decline of the indus civilization

Was the civil war inevitable? could anything have been done through compromise to stop it, or did it have to happen?

Which of these was not a part of the english bill of rights? people could bear arms. monarchs could create taxes. monarchs could not suspend laws. free speech was ok in parliament.

The three estates social system in france ensured balanced representation of all people and treated each social group fairly. true or false ? why?