The Proclamation Of 1763 created a boundary known as the proclamation line, separating the British colonies on the Atlantic coast from American Indian lands west of Appalachian Mountains. In the centuries since the proclamation, it has become on of the cornerstones of Native American law in the United States and Canada.
P.S. Put this in your own words otherwise you will be plagiarizing.
Among blue-collar workers, a structural shift in China's economy, from ... The impact is pronounced in many of the hundreds of towns that ... As a local boss explains, “People simply won't pay more for a pair of socks.”