An economist writing about opportunity cost would be most interested in which of the following international events? A. a marginal benefit analysis of a Swiss bank’s investment in a multinational company B. a nation’s strategic report investigating the different costs and benefits of investing in wind energy or solar energy C. a child’s decision making process in determining whether to go to the movies in one, two, or three hours D. the different negative economic and social consequences of rebuilding a downtown park​

B

Explanation:

I think it's B because that's the situation where you have the concept of opportunity cost more explicitely mentioned. Even though the concept is also well mentioned in D, for an economist the most important event would be B

b

Explanation:

"a shortage of traditional labor created new opportunities in the workplace. a major cause of the internment of japanese americans during world war ii was. racial prejudice. in the early 1940's, the "destroyers-for-military-bases deal" with great britain and the lend-lease act were evidence that the united states."