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Dictionary Suite
Berlin Wall a barrier first erected in 1961 that separated West Berlin from East Berlin, eventually fortified and extended to create a border between West Germany and East Germany, and ultimately opened to unrestricted transit on November 9, 1989, prior to being dismantled.
carte blanche unrestricted authority, freedom, or discretion.
open door free and unrestricted admission or access; unhindered opportunity. [1/2 definitions]
open-ended not having fixed or set limits; unrestricted. [1/4 definitions]
unstinting unrestricted in effort or supply.