Answer:
The barter system, being the most efficient and simple came to be employed in Ancient Egypt. It must be noted, that barter means exchange, or something in return for another. No standard form of currency or coin or paper money was in use at the time. In Egypt, the barter method worked like this.
Hello.
The most suitable answer is A) use of gold and C) portrayal of a story.
Byzantine artists are known for the use of gold in their sculptures in the backgrounds or it was used to highlight some aspects of the mosaics for example. Also, bizantine artists are known for their efforts to portray teological stories, and to insert imperial propaganda into their sculptures.
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They had their own strategies and it would be foolish to think that they didn't have thier own desires and knowledge. They were choosing the European powers which they thought would serve their cause, that is why some supported one European power and the others supported another European power. Their role was great because they knew the ground well.