VII
1. Because the sender paid for the letter to travel in his or her own country, then theperson in the other country paid for that part of the trip. If a letter crossed several countries, the problem was worse.
2. Because it makes the process of delivering letter simple. Only the senders have to pay for the letters.
3. Other countries started making their own postage stamps very quickly.
4. It takes care of any international mail problems.
5. Because they were the first stamps in the world.
VIII
1. A 5. B
2. B 6. A
3. C 7. C
4. D 8. D