Rosie the Riveter became a symbol because she was a great representation of how important female strength is for a country.
Who was Rosie the Riveter?
Rosie the Riveter was one of the main representatives of women's economic emancipation and showed how important the female workforce is for maintaining a country and for women's empowerment and freedom. In doing so, she not only became an icon, but a historical figure of great social and cultural impact that has extended throughout the Western world to the present day.