What did US car companies produce during World War II? airplanes and tanks
military uniforms and helmets
guns and ammunition
food and first-aid supplies

airplanes and tanks im putting that as my answer

Explanation:

the exclusive possession or control of the supply or trade in a commodity or service.

brainliest means the answer that is best and you found it very

if you ask any question and 2 persons gave you answer for your question and the answer of one person you liked the most and found it most the we can mark it as brainliest . at the side of every person's answer an option of brainliet then we can appericiate the user by marking it as brainlist

if someone marks our answer as brainliest then we can get ranks also

done.