The "purpose" is why you are reading it. So, the answer is B. The reason for which you read.
Uhhhhh, wow. I'm surprised that you havent figured this out. Unless you aint in the USA then i'd understand. BUT SERIOUSLY, C'MON. Here's the answer:
They put up a memorial to show respect to the soildeirs who died for our country protecting its rights, and from being taken from us and made a communistic country.
Answer:
I think the adjective is modest.
Explanation:
hope this helps you!!