Japanese Internment camps were justified during WW2:
Under the presidency of Franklin d Roosevelt, he felt that japan espionage is operational in America and he ordered all the Japanese Americans to be as interns who are confined in concentration camps. They were given a lengthy inquiry form which urged the Japanese Americans to prove their allegiance to America and it asked whether the Japanese are willing to serve in American army.
Those who negated were brutally punished and those who affirmed were let free. After the Nazi Holocaust, these types of concentration camps were started by US too which is almost considered unfair.
I too think it's D, but I can't be sure. I read the story as well and D is the best answer for your question.
Because <span>Some resources are better suited for use in making the first product.
In order to shift to other product, we need to sacrifice a certain amount of benefit that came from producing that product.
For example, when we decided to shift from using oil energy into solar energy, we had to sacrifice the low cost , the efficiency, and the current reserves of oil product and gaining the ability to preserve the environment.</span>
