Answer:
B. Steadily increased; slowly declined
Explanation:
According to the Bureau of Labor Statistics:
Men's labor force participation rate has been slowly declining since the 1950s, from a maximum of 86.4% in 1950 to an estimated 70% in 2020.
On the other hand, women's labor force participation has steadily increased during the last decades since a low 33.9% in 1950 to an estimated 59.4% in 2020.
