Answer:
All of the choices are correct is your correct answer.
Can I get Brainliest? Thx Peace...
A.)federal government increased participation in businesses.
explanation
WW1 was an economic booster for the US and as the war continued in europe the us were thriving in manufactering and profits. The other choives dpmt have any logical reasoning so choice A is best.
Because of lord krishna, shankaraachaary
