Boosted economic prosperity through expansion of trade especially due to the rapid expansion and development of the 7000 mile silk road. The building of this road ensured that trade in farm produce developed a great deal.
First, they wanted to stay out, then they started to help England and France, and finally when Japan attacked they totally got involved.
This seems like a choose whatever question honestly, i would not go with one hundred tho.
India and China claim few slaves with a lion's share of their populace as the low class that did likewise fill in as the slaves. The Indians and Chinese were not noticeable in bondage as the Greco-Romans since they had their kin taking the necessary steps that the slaves did. The Chinese and Indians one might say had slaves it was quite recently that the slave was called something different and held a higher economic wellbeing than simple slaves.