Mesopotamia, the fertile crescent, is called a large arc of fertile farmland.
The stock market crash of 1929 – considered the worst economic event in world history – began on Thursday, October 24, 1929, with skittish investors trading a record 12.9 million shares. On October 28, dubbed “Black Monday,” the Dow Jones Industrial Average plunged nearly 13 percent. The market fell another 12 percent the next day, “Black Tuesday.” While the crisis send shock waves across the financial world, there were numerous signs that a stock market crash was coming
We (as in 2016) cannot use the land bridge because of the melting of the glaciers. Back then the glaciers were still in one piece and the sea levels were much lower than now. This allowed the early people to cross the bearing straight.
Laborers who had previously worked on farms transitioned to working in factories. Cities became a source of poverty, illness and lacked housing due to the transient volumes
Usually, that refers to a government that is a dictatorship or autocracy.