1. A border or boundary between nations or regions that has been formally recognized and agreed upon by the relevant parties, typically through international treaties or agreements
The accepted border between the two countries was established by the peace treaty signed in 1985.
A fronteira aceita entre os dois países foi estabelecida pelo tratado de paz assinado em 1985.
2. A demarcation line that is widely recognized and respected in international law and diplomacy
The Rio Grande serves as the accepted border between Mexico and the United States.
O Rio Grande serve como a fronteira aceita entre o México e os Estados Unidos.