Why were many women working outside the home during world war 1?

the lack of men in the workforce

Explanation:

during the first world war most of the men went off to war meaning many factory and normal day to day jobs had to be filled by women to keep the contry running

for hobos it was a very hard time most hid on the sides of the railroad tracks causing people to get bulls and get them off sometimes causing in fatal death they couldnt get people to give them money because the   people were also in need of money

because of the war the westeners befriended japan and each other advance.