In Europe by 1917, over 7 lakh women in Britain 1 were employed in Ammunition factories. As they , were going to work they needed clothes that were comfortable and conveilient. They started wearing a working uniform of blouse and trouser. Cloth became plainer and simpler, skirts became shorter.
Even schools started emphasising the importance of plain dressing and discourged ornamentation. With the introduction of gymnastics and games . women started wearing clothes that did not hamper movement.
Before the war people used, to wear bright coloured clothes but during the war bright colours faded from sight and only sober colours were worn, Thus clothes become lighter and simpler.