Answer:
The correct answer would be US
1. Busiest
2. Close. Closer
3. Good. Better
4. Noisier.
5. Safest. Most dangerous
It isn't certain, but since the strap was usually made of goat-skin, it could have been a symbol of fertility. By striking the women (often on the wrists) with it, it was said to ensure fertility, easy childbirth, and good health for them.
