The most difficult task facing cities with war industries was

Housing Crises

Explanation:The most difficult task facing cities with war industries is housing crises.

Housing Crises is simply refer to a situation whereby people or industries experience difficulties in getting affordable housing,This inturn leads to homelessness.

This can be protected and regulated to some extent by rent regulation and tenant eviction protection by the government.

if you are on the computer you can not take a picture but you can upload one but i am not sure about phones but i'm pretty sure it's the but to upload one just click the paper clip looking thing/ link thingy thing and upload a pic

united states government;