Are you looking for a specific word? The answer is border but I see you've included this in your question so I believe you do not understand the concept.
The American people had growing distrust of government
President Franklin Roosevelt's Annual Message (Four Freedoms) to Congress (1941) Citation: Franklin D. ... The four freedoms he outlined were freedom of speech, freedom of worship, freedom from want, and freedom from fear
This all happened during the American Revolution.
Dynastic cycle is an important political theory in Chinese history. According to this theory, every dynasty goes through a culture cycle. A new ruler unites China, founds a new dynasty, and gains the Mandate of Heaven.