An immigrant can become a permanent resident of the United States if they become a Green Card Holder. Good luck!
By the warrior classes dominating all other classes through the establishment of cities by the abundance of excess food that led to a ruling class through the craftsmen guilds.
-
The agricultural revolution had a variety of consequences for humans. It has been linked to everything from societal inequality—a result of humans' increased dependence on the land and fears of scarcity—to a decline in nutrition and a rise in infectious diseases contracted from domesticated animals.
Germanic tribes invaded and overpowered the Romans.
Timeline 1847 to 1868 1870 to 1879 1880 to 1887 1890 to 1899 1900 to 1922