Respuesta :
The correct answer for the question that is being presented above is this one: "For the first time, blue-collar workers were guaranteed an eight-hour day and a decent wage." The workforce change in the United States during the 1950s is that For the first time, blue-collar workers were guaranteed an eight-hour day and a decent wage.
Answer: For the first time, white-collar workers outnumbered blue-collar workers.
Explanation: