Slovakia joined Schengen Area in 2007, removing systematic border checks

Target entity: Slovakia joined Schengen Area in 2007, removing systematic border checks
Context triple: [Austria and Slovakia, SchengenAccessionContext, Slovakia joined Schengen Area in 2007, removing systematic border checks]

• A. Slovakia–Germany border
  The Slovakia–Germany border is the modern international boundary separating Slovakia and Germany, established after the dissolution of Czechoslovakia and the reunification of Germany within the Schengen Area.
• B. Schengen acquis
  The Schengen acquis is the body of laws and agreements that govern the Schengen Area, enabling passport-free movement across participating European countries while coordinating external border control, visas, and police cooperation.
• C. Slovakia–Hungary border
  The Slovakia–Hungary border is the international boundary separating Slovakia and Hungary in Central Europe, running largely along the Danube River and through historically contested regions.
• D. Schengen Agreement (accession of Portugal)
  The Schengen Agreement (accession of Portugal) refers to Portugal’s formal entry into the Schengen Area, integrating the country into the European system of passport-free travel and common external border controls.
• E. Slovakia–Ukraine border
  The Slovakia–Ukraine border is an international frontier in Eastern Europe separating Slovakia from Ukraine and serving as an external boundary of the European Union and Schengen Area.
• F. None of above. chosen
• G. Unsure - the case is ambiguous/there is not enough information to decide.

Target entity: Slovakia joined Schengen Area in 2007, removing systematic border checks
Target entity description: Slovakia joined the Schengen Area in 2007, becoming part of Europe’s passport-free travel zone and eliminating routine border controls with neighboring member states.

• A. Slovakia–Germany border
  The Slovakia–Germany border is the modern international boundary separating Slovakia and Germany, established after the dissolution of Czechoslovakia and the reunification of Germany within the Schengen Area.
• B. Schengen acquis
  The Schengen acquis is the body of laws and agreements that govern the Schengen Area, enabling passport-free movement across participating European countries while coordinating external border control, visas, and police cooperation.
• C. Slovakia–Hungary border
  The Slovakia–Hungary border is the international boundary separating Slovakia and Hungary in Central Europe, running largely along the Danube River and through historically contested regions.
• D. Schengen Agreement (accession of Portugal)
  The Schengen Agreement (accession of Portugal) refers to Portugal’s formal entry into the Schengen Area, integrating the country into the European system of passport-free travel and common external border controls.
• E. Slovakia–Ukraine border
  The Slovakia–Ukraine border is an international frontier in Eastern Europe separating Slovakia from Ukraine and serving as an external boundary of the European Union and Schengen Area.
• F. None of above. chosen