Question 3 • CA-MS United States History and Geography: Growth and Conflict B
As cities grew during the Industrial Age, more people needed to travel between their homes and workplaces. City planners adapted railroad technology to urban transit, including systems such as streetcars and elevated railways. Phonographs and telephone lines did not transport commuters, and relying on more horses and carriages could not efficiently serve growing cities.
AI-written and checked against the verified answer.