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
Climate of Zambia Climate of Zambia The climate of Zambia in Central and Southern Africa is definitely tropical modified by altitude (elevation). In the Köppen climate classification, most of the country is classified as humid subtropical or tropical wet and dry, with small patches of semi-arid steppe climate in the south-west. Climate and specifically rainfall amount is the chief determinant of type and distribution of the ecoregions of Zambia. So technically Zambia is a very arid country with a humid and subtropical year with small patches of semi arid steppe. There are two main seasons, the rainy season (November to April) corresponding to