The science of "survey" was known to ancient Egyptians. Drawings and
paintings on the walls of temples and tombs, and writings on papyrus, prove that ancient. Egyptians practiced surveying long ago. Paintings on the temples of Thebe display land-surveyors using linear instruments.
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Established by the Economic and Social Council (ECOSOC) of the United Nations (UN) in 1958 as one of the UN's five regional commissions, ECA's mandate is to promote the economic and social development of its member States, foster intra-regional integration, and promote international cooperation for Africa's development.
The United Nations Economic and Social Council (ECOSOC; French: Conseil économique et social des Nations unies, CESNU) is one of the six principal organs of the United Nations, responsible for coordinating the economic and social fields of the organisation, specifically in regards to the 15 specialised agencies, the eight functional commissions and the five regional commissions under its jurisdiction.
Established by the Economic and Social Council (ECOSOC) of the United Nations (UN) in 1958 as one of the UN's five regional commissions, ECA's mandate is to promote the economic and social development of its member States, foster intra-regional integration, and promote international cooperation for Africa's development.
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Established by the Economic and Social Council (ECOSOC) of the United Nations (UN) in 1958 as one of the UN's five regional commissions, ECA's mandate is to promote the economic and social development of its member States, foster intra-regional integration, and promote international cooperation for Africa's development.