The first option is the best source. it is written by an authority on the topic.
Thespis of Icaria was the first person playing a character instead of speaking as himself
The immigration from 1901 to 1910 left a greater influence on the USA than the immigration from 2001 to 2010as during 1910 the immigrants shared the population maxim of 15%that later dropped to 6% in 2010. This statement can be stated true as with a large influx of immigrants there was a huge sway in American society, especially in the housing sector and employment market.
In general, yes, the Sumerians had an advanced economy relative to their time and place, since they were the only ones in the region using advanced technology in agricultural practices.
