Solzhenitsyn's One Day in the Life of Ivan Denisovich<span> which was published in 1962</span><span> created a sensation because his novel portrays a grim detail of life in Stalinist concentration camp---a life which he had been condemned and an indictment of the Stalinist past.</span><span> </span>
They filled the pipe with cement but air pockets formed and built up pressure that then exaploded the pipe
To strengthen democracy, Pericles increased the number of public officials who were paid salaries.
Prior to European contact, the Indigenous peoples of North America had numerous advanced civilizations. The Europeans brought diseases which destroyed much of the Native culture and killed up to 90% of the Native population.