Because it was mainly Europe that was Christian. Asia was for example mostly Buddhist, Confucian, and Hindu. The Middle East and Northern Africa was Islamic. The rest of the world was influenced by Europe and it’s Christianity.
I believe it’s The Congress I’m sorry if I’m wrong. Correct me if I’m wrong Thank you
the use of both gold and silver to support the currency
I believe the correct answer was 1823. Hope this was helpful!