How did labor conditions change during World War I?

(1 point)
Responses

They worsened as fewer male workers were available.
They worsened as fewer male workers were available.

They changed because more factory jobs were available.
They changed because more factory jobs were available.

They declined because union membership fell.
They declined because union membership fell.

They changed as more women joined the workforce.

They changed as more women joined the workforce.