1, just say that a sloppy person must be informal, and people who are not sloppy can also be informal. I didn't say that only Americans are informal and sloppy. 3, the topic is said. 4. A slovenly person must have some informal factors. He may be informal, but other conditions don't meet. He may not be careless. 5. The topic has been said 6. The topic has been said 7. The question has been asked in reverse. 8. The title does not mention other countries, so it is not necessarily 9. I have already said 10 in the fourth question, which is the same as 1 1 in the fourth question.

Many of your questions are nonsense, and many of them are asked in another way, which is too simple.