Without food people became malnourished therefore a decrease of population due to famine so no births and productivity since people were too weak to work.
Answer: I'm pretty sure it is The New Deal
Explanation: I had this question in a test and I remember I chose The New Deal and got it right
<span>The cause of such “hypoxic” (lacking oxygen) conditions is usually eutrophication, an increase in chemical nutrients in the water, leading to excessive blooms of algae that deplete underwater oxygen levels. </span>
The answer is "Ideas that will later influence the space program" :) Please mark Brainliest :)