Which of the following best states an argument of French philosopher Jean-Jacques Rousseau? In order for a government's laws to be valid, citizens have to agree with those laws.
Governments should have a legislative branch, which would have the power to create laws.
Kings and queens hold absolute power, and citizens must follow the laws of their country.
O A democracy can work only if citizens agree to give up some of their individual rights.

In 911, a group of vikings lead by rollo besieged paris and chartres. after a victory near chartres on 26 august, charles decided to negotiate with rollo. the talks were led by hervé, the archbishop of reims. this resulted in the treaty of saint-clair-sur-epte, which granted rollo and his soldiers all the land between the river epte and the sea. it also granted him brittany, "for his livelihood". at the time, brittany was an independent land which france had not been able to conquer. in exchange, rollo promised the king his loyalty and military assistance when needed. also rollo also agreed to be baptised and to marry gisela, the king's daughter. the territory given rollo is about the same as upper normandy.