The right to vote in elections
Mesopotamia--this early civilization traces connections to trade as early as 2300 BC connecting to Egypt and the Indus Valley.
Through trade, ideas and collective learning occurred spreading to these Bronze Age civilizations. Eventually this spread to more growing civilizations to the north (Greece) and east (Persia).
This was known as the "iron curtain." It was a term used to describe the boundary in Europe, which formed at the end of WWII and lasted until the ending of the Cold War.