Answer:
The Tang rulers changed China were the enlargement of China, extension of roads and canals, helping to tie the empire together. Social changes that occurred in China during the Tang and Song Dynasty were a new upper class.
Answer:The GDP of a country tends to increase when the total value of goods and ... held constant from year to year in order to separate out the impact
Explanation:
Answer:Spread is going to a new location without any cause.Migration is going to a new location to escape violence,find a better job and many more.
Answer:
We give more information it.
By judges or chosen by executive