Why does the author use the word interdependent in section 1 in this war, we have been compelled to learn how interdependent upon each other are all groups and sections of the population of america. increased food costs, for example, will bring new demands for wage increases from all war workers which will in turn raise all prices of all things including those things, which the farmers themselve produce the same results. they all have a particularly disastrous result on all fixed income groups s have to buy, increased wages or prices will each in turn a) to explain why food costs will increase, as explained in section 2 b) to introduce the concept that when something is done it affects others ) to introduce the concept that americans are the most affected by the war d) to explain that victory is dependent on all groups and sections of america