The Persians created a set of standardized metal coins during this time period. Why was this important to the development of trade?​

The Persian daric was a gold coin which, along with a similar silver coin, the siglos, represented the bimetallic monetary standard of the Achaemenid Persian Empire. ... Darius considered such encroachment a crime punishable by death since the right of coinage was treated as an exclusively royal prerogative.

Explanation:

it is the dominance of   the spanish language and roman catholic region in mexico, french being the official language of several african countries, and the existence of a western-style government in south asian countries