Answer:
I'm pretty sure it's with military force.
St. Constantine the Great defeated other imperial<span /> claimants, establishing himself as soe ruler of Rome, while ending offica persecution of Christians
*Economically, it helped china in trading with the west, east and also Europe, this gave China a market to sell its goods and it made money off to trade, Chinas goods were very valuable which meant the treaders got a bigger profit, meaning more money.
Answer: It stopped the expansion of Islam into Europe.
In 732 CE, Charles Martel and his troops defeated the Muslims in France in the Battle of Tours. His victory prevented the Muslims to further expand into Europe.
