Ministerrådet the member states' governments decide

What The Council of Ministers (Ministerrådet) is where the member states' governments decide on the EU's laws, together with the European Parliament.

Who Politicians in the form of ministers from each country's government, so a Swedish minister represents Sweden in the Council.

How You make a difference indirectly by voting in the general election (to the Riksdag), because the Government represents Sweden in the Council of Ministers.