Original: During both World Wars, thousands of women were conscripted to work in the factories and steel mills to keep them running whilst the men were away fighting.
Simplified: During both World Wars, thousands of women had to work in the factories and steel mills to keep them running while the men were away fighting.
Simplified: During both World Wars, thousands of women were sent to work in the factories and steel mills to keep them running whilst the men were away fighting.
Simplified: During both World Wars, lots of women were forced to work in the factories and steel mills to keep them running whilst the men were away fighting