<span>C. Is the correct answer here - bought is based on the root verb 'buy or to buy' but its sense in the sentence is set against the framework of a time from the phrase with the word 'During' and so the word of choice must become 'bought'.</span>
B,makes more sense especially if you asked a question in the first paragraph!
a) angry that the united states didn’t do more to stop what was happening
Sorry i don’t know how i can help i need more information