In order for people to work together when they disagree, they might have to compromise. This means each person has to give up part of what he wants so her together can avoid conflict, accomplish things together and both feel satisfied
The bill of rights is the first 10 amendments to the US Constitution. The amendments guarantee essential rides in several liberties like the right to free speech and the right to bear arms.
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!
Many thinkers during the Enlightenment argued for the freedom & rights of the people. By creating a constitution and making the Bill of Rights, it limits the power of the government and protects the rights of the people.
I believe it's C. Zhu Yuanzhang hope it's right :)