Well, it would probably have to do with the research on our own opinions, so it would be A).
cars and phones made modern city life possible
Answer:
B, Nixon
Explanation:
Nixon was the American President during the last half of the Vietnam War
Among blue-collar workers, a structural shift in China's economy, from ... The impact is pronounced in many of the hundreds of towns that ... As a local boss explains, “People simply won't pay more for a pair of socks.”