... The expansion west needed industrial recourses. The railroad itself encouraged the industries of steel, coal, wood, glass and rubber. The expansion west was not the only thing that encouraged the growth of industry; good economic times and a rise in population fueled the ... during the four years of war, so that by 1918, the motor driven vehicle and the internal combustion engine had become thoroughly reliable. Henry Ford inventor of the automobile ... the moving assembly line, Ford revolutionized the auto industry by increasing the pay and decreasing the hours of his employees, ensuring ...

• Word Count: 1535
• Approx Pages: 6
• Grade Level: High School