500 words please

In June of 2016, the United Kingdom voted to leave the European Union - better known as Brexit. The official exit took place on January 31st of 2020. Explain why the majority voted its exit and how this will impact the EU and the United Kingdom. Also, provide details on how this will affect American businesses that are already located in Europe. Will they face new barriers, will they experience more problems and have to adhere to new statutes? Why or why not? If you were a business looking to do business or invest in Europe and the UK after the UK's official exit in January 2020, what reservations would you have about doing so?

Once you finish reading Chapters 9 and 10, be sure to provide insight to the convertibility of currency. Are there any nations in which its harder to convert currency? Which countries are those? Would cryptocurrency work in this case? Why or why not?