Arrange the events of the cuban missile crisis in the correct sequence. soviet leader nikita khrushchev denied the existence of missiles in cuba. soviet leader nikita khrushchev offered to dismantle the missiles in cuba in exchange for certain promises from the united states. a us reconnaissance plane discovered missiles being installed in cuba. us president john f. kennedy promised to not invade cuba and to dismantle us missiles that were installed in turkey. us president john f. kennedy ordered the us navy to form a barrier around cuba. us president john f. kennedy demanded an end of the secret operation.

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.