 It is a member of the European Union (EU), the United Nations (UN), the Council of Europe, NATO, the World Trade Organization (WTO), and a founding member of the Union for the Mediterranean.As an active participant in the UN peacekeeping forces, Croatia has contributed troops to the NATO-led mission in Afghanistan and took a non-permanent seat on the UN Security Council for the 2008–2009 term.Since 2000, the Croatian government has constantly invested in infrastructure, especially transport routes and facilities along the Pan-European corridors.