How did the words of political thinkers such as patrick henery and thomas paine maintain the morale and resolve of american patriots?

Provided a mission for the revolution.

Both men used their pens to encourage revolutionary spirit and a drive toward liberty. They used writing to demonstrate the rights they have been stripped of and the rights they believed they deserved. Lines like "give me liberty or give me death" shows the willingness to die for the mission of revolution. 

Ineed more information to be honest

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.