Why was it critical for the the Florentine florin to be accepted and trusted as a major international curency'?

Why do you get bullied just because you have glasses? What happens if you use a syringe to shoot air in to your arm? How do patients with increasing CEA levels and colorectal cancer fare from further surgery? What are the checkpoints in hobo 7? When and how was Malcolm X murdered? What is the process of soil sand and tiny pieces of rock being moved by wind water or glaciers? What color symbolizes peer pressure? Was Chernobyl a chemical disaster? How old are Steve Irwin's children? Valuing order and equality more than freedom is a characteristic of? What are the negative effects of nutria? What are some of the challenges social workers face in child welfare? How can you ensure the safety of nuclear reactors? What was related to immigration? Is Andrew Garfield Bisexual? What was Joseph Lister's discovery? Is fire nonrenewable energy? What type of building would most be likely to have poor indoor air quality? What can be done to keep the soil usable after using pesticides? What did people do to conserve natural resources back then?

Why was it critical for the the Florentine florin to be accepted and trusted as a major international curency'?