What kinds of technology aided imperialism

Which country was the last to join the allied powers? o great britain o france o united states o china

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.

Horace mann worked to establish a.) a new electoral system. b.) a public education system. c.) penitentiaries. d.) asylums.