"Rosie the Riveter" was a well known character during World War II. What did she symbolize?

a
Increased use of power equipment in Northern factories
b
Changes in women's clothing in the 20th century
c
The increased number of women working in jobs they had not held before World War II
d
The increased number of women joining the infantry to fight in World War II

c. The increased number of women working in jobs they had not held before World War II. Rosie the Riveter symbolized the millions of women who entered the workforce during World War II to support the war effort while the men were fighting overseas.