The bezant:
1. was the hereditary line of priests that dominated the byzantine religious and social worlds.
2. headed the byzantine banking industry.
3. was the byzantine gold coin that became the standard currency in the mediterranean basin.
4. was one of the two main factions inside constantinople.
5. was the byzantine class of nobles who blocked imperial centralization.

3. was the Byzantine gold coin that became the standard currency in the Mediterranean basin.

Explanation:

Silver and Bronze were the metals used for money in medieval Western Europe. Bezant is a currency of gold coins used in the Byzantine Empire under the reign of Constantinople. It was a pure gold coin which have a high value in Western Europe. The term Bezant is also refereed to denote(in western Europe) the gold coins issued by Islamic State in the eleventh century. Therefore, the term "Bezant" is used in Western Europe to denote the gold coins of the East.

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explanation: