<span> known as
</span>Value Conflict
Choice a : Explains what the nations need to do and elaborates some.
--wrong answers--
Choice b only gives a statement of what the nations need to do.
Choice c is a question.
Using the context clues in the sentence. You can accurately determine the meaning of the word onerous. The sentence starts off with stating a 10 - page research project. That would most likely be tedious and hard. So the best answer choice is answer C. Difficult
Answer:
'Had Bought'
Explanation:
The infinitive 'to buy' turns into 'had bought' in past perfect. The PAST TENSE is simply 'bought', but the PAST PERFECT tense is 'had bought'.