Answer:
1. b. ship
2. c. journey
3. for 1. they sailed (only ships sail) and 2. they traveled/sailed to somewhere else, "they sailed in the Atlantic" to "visit new places." And that's usually called a journey
4. a.
Answer:
1) Harry and the dursleys...
2) Hagrid gives harry....
3) Hagrid gives dudley...
4) hagrid tells harry...
5) hagrid sends a letter...
Yes because they helped a bunch of people