Answer: I belive it is Developed selective Service
Explanation:
Confucianism used the Chinese silk trade to spread and Buddhism used the Indian spice trade to spread, include things such as the silk road in your written answer.
The correct answer is b and d
A proton is POSITIVE
An electron is NEGATIVE
A neutron is NEUTRAL
The country will have more need to trade with other countries.If you have more resources then you have more product increasing the need of trade.