I would say that the stirrup allowed for quicker mounting of the horse, and it may have caused horses to be used in battle more frequently.
A, C D those are correct i think
Because the Silk Road established steady trade
You lost power because:
1. There was construction in your neighborhood
2. A spark blew
3. There was a storm
4. A tree fell
5. A car crashed
6. A wild animal did it
Answer:
C. He studied all sorts of natrue, streams to trees.