Which of the following can be concluded from the passage?

1. Which of the following can be concluded from the passage?
A. Currency trading was more important than water transportation.
B. Only one method was needed to travel on water.
C. Walking on trunks is the best method of water transportation.
D. Water transportation carried heavier goods than other types of transportation.
2. Which of the following is not an advantage of transportation by canoes?
A. Traders can sit with their goods on board.
B. Traders can prepare meals on board.
C. Passengers can sleep on board.
D. Only one ton of goods can be carried at a time.
3. Which of the following represents the best paraphrase of: 'A number of ways were used to cross swamps...' in the second paragraph.
A. Several techniques and crafts were used for water transportation.
B. Many methods and crafts were used for water travels.
C. Some ways and crafts were employed in water travel.