What commercial practice did europeans adopt from the muslim merchants with whom they traded?
a. the use of paper currency
b. the use of guilds
c. use of credit
d. the use of gold coins

Option A.

Explanation:

The use of paper currency, is the right answer.

Throughout the early Islamic world, trade and commerce played a significant role. Trading networks during this time covered most of the world including China, Africa, and Europe. The Islamic merchants used both coins (Dinar- gold coin and Dirham- silver coin) and paper currency (suftaja) in their business. The practice of paper currency was later adopted by the Europeans.

they had many gains 1 one freedom for slaves the major cause of the civil war is that the   north wanted freedom for slaves but the south didn; t creaitng the civil war

another gain they have is poltiical influence

poltiical influence is a big thing everywhere even now peoplle are always trying to get the head up in poltics thats what they did by giving the republicians a good name for freeing slaves