Over the years, the European Union and the United States have worked together to ensure peace and prosperity for our citizens and for people around the world.

Poland is not a very large country, but it's also not a small country.

If we believe that the EU is only a fair-weather event we will be doomed. The EU cannot be an answer only to the tragedies of the past but also to the problems of the future. We must understand that the geopolitical holidays are over. It's time to go back to school where there will be only hard exams to take.

Today, it is more important than ever to strengthen transatlantic relations. Only by co-operating closely can the EU and the US continue to make a difference when dealing with unprecedented challenges such as Daesh, the threats to Ukraine's sovereignty and territorial integrity, climate change and migration.

What we have to do is to definitively remove the last vestiges of power from those who treat terms such as liberal democracy, free markets and Europe with suspicion.

I got into politics a little bit by chance, as a person from the first generation of the Solidarity movement.

Over the years, the European Union and the United States have worked together to ensure peace and prosperity for our citizens and for people around the world.