Answer:
'For whom to produce' refers to the problem of distribution of final goods and services or the problem of distribution of production. It has two aspects; first aspect relates to personal distribution and the second aspect relates to functional distribution.
The answer is B, because we are learning about the national air and space museum, not the there museums.
The underlined verb becoming, is present. So D. Present
If you provided the historical background it would be more possible to answer your question. And I think there should be an options to choose. But I'll help you as I've found the similar question with options and background. So the answer is "<span>D. so our national policy in foreign affairs has been based on a decent respect for the rights and dignity of all nations, large and small."</span>
MLK's "Stride Towards Freedom" is an ethos laden piece that seeks to convey to readers the importance of optimism and confidence in times of peril.