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Before modern sewers were invented, cesspools that collected human waste were the most widely used sanitation system. In ancient Mesopotamia , vertical shafts carried waste away into cesspools. Similar systems existed in the Indus Valley civilization in modern-day Pakistan and in Ancient Crete and Greece .
The first American schools in the Thirteen Colonies opened in the 17th century. [8] The first public schools in America were established by the Puritans in New England during the 17th century. Boston Latin School was founded in 1635. [9] Boston Latin School was not funded by tax dollars in its early days, however.
These small schools were local, private subscription schools that often were built on exhausted farm fields. They usually operated for three months a year. [6] and in a hodgepodge of publicly funded projects. In the colony of Georgia, at least ten grammar schools were in operation by 1770, many taught by ministers.
The Clean Water Act in 1972 made way for the deep tunnels. Across the country, people started waking up to the importance of freshwater after Lake Erie’s Cuyahoga River caught fire for a 13th ...
In the aftermath of the September 11 terrorist attacks, US Senator Norm Coleman called Arabic "the next strategic language". [3] Less Commonly Taught Languages (LCTLs) is a designation used for languages other than Spanish, French, and German, the three most commonly taught foreign languages in US public schools.
The Metropolitan Commission of Sewers was formed, water filtration was made compulsory, and new water intakes on the Thames were established above Teddington Lock. The technique of purification of drinking water by use of compressed liquefied chlorine gas was developed in 1910 by US Army Major Carl Rogers Darnall , Professor of Chemistry at the ...
Racial segregation in schools existed throughout most of American history and remains an issue in contemporary education. During the Civil Rights Movement school integration became a priority, but since then de facto segregation has again become prevalent. [1] School segregation declined rapidly during the late 1960s and early 1970s. [2]
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