If you can provide a picture, I will reply to this comment with an answer.
The information found by Lewis and Clark showed many new places to settle, what the new land was like, and what could be accomplished in those areas. They found more land to farm and build homes. They also found some of the major rivers and landmarks of today.
Answer:
I think for me the answer is (A)
The 50 year old is the answer, just took this test.