These include the enactment of the Social Security Act in 1935, creating the first federal social insurance and federal-state public assistance programs; President Johnson’s War on Poverty launched in 1964 that sought to address the “causes, not just the consequences of poverty” and began a p...
Languages: English (official); 14 indigenous languages, largely reflecting ethnic makeup: Shona (official; widely spoken), Ndebele (official, second most widely spoken), 12 smaller languages (official): Chewa, Chibarwe, Kalanga, Koisan, Nambya, Ndau, Shangani, Sotho, Tonga, Tswana, Venda, a...
the relatively sudden appearance of skeletal remains of diverse animals in the lowest known fossiliferous rocks of the Cambrian, which was noted by William Buckland (1786–1856) in 1930s. The notion could be found in his contribution to the famous Bridgewater treatises, the two volumes entitled ...