These were the basis for the u. s. constitution:

magna carta of 1215
declaration of independence of 1776
mayflower compact of 1620
english bill of rights of 1689
martin luther’s 95 theses of 1515

Magna Carta of 1215

Declaration of Independence of 1776

Mayflower Compact of 1620

English Bill of Rights of 1689

Explanation:

hope it helps! <3

sumerians were responsible.

it would be  

germany had to pay all damages related to the war.

and i think

germany had to take sole responsibility for the war.