The equal-field system (Chinese: 均田制度; pinyin: Jūntián Zhìdù) or land-equalization system was a historical system of land ownership and distribution in China used from the Six Dynasties to mid-Tang dynasty. ... The system was eventually adopted by other kingdoms and its use continued through the Sui and Tang dynasties.
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African art has as its main influence religion, functionalism and utilitarianism. Depending on the region, one of these influences may be stronger than the other, sub-Saharan Africa, for example, the art that is most influenced by religion, probably because of the social and economic difficulties they face, which make artists connect more with religion as a way of supporting national problems. The areas where these problems are not so prominent, usually have greater influences on utilitarianism and functionalism, probably because artists have more access to concepts, techniques and information.
African societies place a lot of importance on art because it is a way of externalizing feelings and promoting criticism. This is very strong in this region that was so scrapped and exploited by other nations that it caused problems that can still be seen today in these societies.
Islam established a presence around the 9th century. Swahili people took to Islamic traditions wearing jilbab and thob (garments for men and women). They also built mihrabs which indicates the direction a muslim should face when praying.