Example : They work at high rates and make up more than a third of the workforce in some industries. Their geographic mobility helps local economies respond to worker shortages, smoothing out bumps that could otherwise weaken the economy. Immigrant workers help support the aging native-born population, increasing the number of workers as compared to retirees and bolstering the Social Security and Medicare trust funds. And children born to immigrant families are upwardly mobile, promising future benefits not only to their families, but to the U.S. economy overall.
Sumerians buildings were more like artificial hills and the art work was mainly about exploring and supporting the relationships between people and the gods
It was to entertain the villagers with past stories. Griots would tell mythical stories of the gods and spirits of their region.They would also tell stories of kings and famous heroes from the past battles.
