Answer: 1. Movement of farmers to fertile basins 2. landowner move south due to attacks by Mongols
I believe that the Black Mesa extends into Northwest Oklahoma, namely the "Red Carpet Country" of Cimarron county in the Oklahoma Panhandle.
The Espionage and Sedition Acts of 1917 and 1918 were highly controversial in that they limited American freedoms with the hope of averting the entrance of spies into the country.
Answer: There are no given expressions, but some examples would be
1/(-4^4)
1/256
-(1/(4^4))
