Which among the following abolishes the border controls among the EC member?

Schengen Agreement

The correct answer is Option 1 - Schengen Agreement

1985 June: The Schengen Agreement abolishes border controls among the EEC members.

The Schengen Agreement is a treaty that led to the creation of the Schengen Area, a zone within Europe where passport control at common borders has been abolished. This means that people can move freely between participating countries without having to go through border checks.