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The duodecimal system, also known as base twelve or dozenal, is a positional numeral system using twelve as its base. In duodecimal, the number twelve is denoted "10", meaning 1 twelve and 0 units ; in the decimal system, this number is instead written as "12" meaning 1 ten and 2 units, and the string "10" means ten.
A semi-presidential republic is a government system with power divided between a president as head of state and a prime minister as head of government, used in countries like France, Portugal, and Egypt. The president, elected by the people, symbolizes national unity and foreign policy while the prime minister is appointed by the president or ...
Between 25,000 BP and 20,000 BP, hunter-fisher-gatherer peoples in Central Africa (e.g., Ishango, Democratic Republic of Congo) utilized fishing tools and natural resources from nearby water sources, as well as may have engaged in and recorded mathematics (e.g., Ishango bone, which may demonstrate knowledge and use of the duodecimal system ...
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There were many kingdoms and empires in all regions of the continent of Africa throughout history. A kingdom is a state with a king or queen as its head. [1] An empire is a political unit made up of several territories, military outposts, and peoples, "usually created by conquest, and divided between a dominant centre and subordinate peripheries".
A new centralized political system of spiritual kings (balopwe) with a court council of head governors and sub-heads all the way to village heads. The balopwe was the direct communicator with the ancestral spirits and chosen by them. Conquered states were integrated into the system and represented in the court, with their titles.
Iron metallurgy in Africa concerns the origin and development of ferrous metallurgy on the African continent.Whereas the development of iron metallurgy in North Africa and the Horn closely mirrors that of the Ancient Near East and Mediterranean region, the three-age system is ill-suited to Sub-Saharan Africa, where copper metallurgy generally does not precede iron working. [1]
A system of two prime ministers, appointed at the same time by the Knesset, was established. According to the new method, there was an Alternate Prime Minister of Israel in addition to the standard Prime Minister of Israel. After a half of the government's term, the two prime ministers would change positions as part of a rotation government ...