What was the war production board’s purpose? all of these to enforce trade agreements with non-warring nations to ensure that all countries followed the rules of engagement and that civilians were not harmed during the war to oversee and control the us’ total war effort during wwii

The war production office was established to oversee and control USA total war effort during ww2. it was established in 1942. it was established by USA president Roosevelt.
It was aimed at streamlining production with war needs. its effect was widely felt. Textiles companies were converted to produce war related wears such as parachutess. It ended shortly after the defeat of Japan.

Ca mega city if i’m not mistaken

When a lake, river or other aquatic  system  becomes  eutrophic, it can have serious negative effects on other organisms like fish, birds and even people.if an algal bloom is so bad that it causes wide-spread death  in  the  water, the organisms that die will all sink to the bottom and start to decompose.