Because they wanted to make other countries go into war
Amswer is D. With more people in the country. More women needed jobs as they would often just cone to the U.S without someone to marry and would need to go work a job.
Employment. According to Lesley Hall, an historian and research fellow at the Wellcome Library, “the biggest changes brought by the war were women moving into work, taking up jobs that men had left because they had been called up.” Between 1914 and 1918, an estimated two million women replaced men in employment.