Official language after unifying the country in 221 BC. Classical Chinese would remain the standard written language for the next 2000 years. Standardization of the spoken language received less political attention, and Mandarin developed on an "ad hoc" basis from the dialects of the various imperial capitals until being officially standardized in the early twentieth century. According to an undated chart by the American pro-English-only organization known as U.S. English, 178 countries have an official language at the national level. Among those, English is the most common with 67 nations giving it official status. French is second with 29 countries, Arabic is
Bank of Zambia Bank of Zambia The Bank of Zambia (BoZ), is the central bank of Zambia. According to its website, the principal responsibility of the bank is to create and implement monetary policy that will maintain the economic stability of the country. The Bank is active in promoting financial inclusion policy and is a leading member of the Alliance for Financial Inclusion. It is also one of the original 17 regulatory institutions to make specific national commitments to financial inclusion under the Maya Declaration, during the Global Policy Forum, held in Riviera Maya, Mexico in 2011. The Bank of Zambia has origins