Answer:
to detect and prevent counterfeiting of US currency
The answer would be (A) again because in a essay you are stating your points and you have a structure on how to do it and it must be consistent throughout the whole essay or its going to be choppy and you wont get a good grade. hopefully that made sense. The other answers wouldn't make sense. So go with (A)
Answer:
What? Edit your answer
Explanation:
Edit your question and I will answer the best I can