Which technological innovation by henry ford allowed him to mass produce automobiles quickly and inexpensively?
a. alternating current
b. wind tunnel
c. assembly line
d. flying shuttle

In order to maintain national security within its colonies in america, england constructed a series of forts along colonial boundaries for protection. true false

Who was william johnson? a. a revolutionary war veteran b. was the most prominent free black in mississippi c. a field slave d. inventor of the cotton gin

Plz which of the following statements about life in europe during the middle ages is not accurate. a. by the middle ages the only unifying factor in europe was christianity. b. most people lived in rural areas and worked on farms. c. priest, monks and church officials were virtually the only people in europe who could read and write d. most people lived in cities or towns and worked as skilled artis most people lived in cities or towns and worked as skilled artisans.