Since the 1970’s and ever increasing since, since the majority of professional researchers and historians believe that humans first emerged in blank over 2000,000 years ago

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.