What devastating historic event compelled many european countries to work together in order to prevent future conflicts?
roman empire
renaissance
industrial revolution
world war ii

Thomas jefferson was important in the revolutionary era because a) he wrote much of the declaration of independence. b) he was elected the president of the continental congress. c) his philosophies were used in the influential pamphlet common sense. reactivate d) his leadership and moral stand lead to the colonies to fight for the abolition of slavery.