I think his first job was a house servant in an American family and he then saved the money from that job (as his pay was increased) to own his own business, a laundry.
2, Tet Offensive, is the correct answer to this question.
Finding a business worth entrepreneuring
Answer:
Compared with the tricycles of the time, popular with riders less willing to take risks, the safety bicycles were lighter, mechanically more simple, and less expensive.
Explanation: