Henry Clay proposed a compromise balancing the slave states and the free states.
Nelson Mandela made many changes to South African society, most notably by transitioning the country away from the racist policy of apartheid. Apartheid was a government policy that kept white Afrikaners in South Africa at the top of politics and business while limiting the rights of black citizens. As the first post-apartheid president, Nelson Mandela created a diverse society in which every citizen is equal before the law.
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Lasting impact
In 1895, they published the New York Tenement House Act, which outlawed rear tenements and also was the first official document to supplement a written description of tenement housing with photographs. His book, How the Other Half Lives (1890), stimulated the first significant New York legislation to curb poor conditions in tenement housing. It was also an important predecessor to muckraking journalism, which took shape in the United States after 1900. Hope this helps!