Which of the following statements are accurate regarding Henry Ford? Options
1 encouraged each worker to assemble a complete car
2 crafted car parts that could only be used in one car /
3 invented the internal combustion engine used in cars /
4 developed an automobile that common people could own

Westinghouse designed an air brake that made rail travel safer, and his promotion of an alternating current system revolutionized the power industry. ... His time in the army made him realize the importance of railroads to the national project of industrialization.