&quot;With the new emphasis on Gulag as the means of concentrating cheap labor, new camps were then constructed throughout the Soviet sphere of influence, wherever the economic task at hand dictated their existence (or was designed specifically to avail itself of them, such as the White Sea-Baltic Canal or the Baikal Amur Mainline), including facilities in big cities — parts of the famous Moscow Metro and the Moscow State University new campus were built by forced labor. Many more projects during the rapid industrialization of the 1930s, war-time and post-war periods were fulfilled on the backs of convicts. The activity of Gulag camps spanned a wide cross-section of Soviet industry.&quot; [1]<p>[1] <a href="https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Gulag" rel="nofollow">https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Gulag</a>