Which of the following explains how the steam engine and locomotive contributed to the Industrial Revolution? (1 point)
1. People became resistant to change and went back to the trusted ways of life.
2. People were able to have new jobs in factories and travel the country with their new-found earnings.
3. Factories became more cumbersome, and travel became slower.
4. Factories became more efficient and cheaper to operate, and people could travel farther and faster.