Joe Biden is sending thousands more troops to Europe to help NATO form a new Iron Curtain designed to protect other countries from a Russian invasion.Speaking at the NATO summit in Madrid, Biden also vowed to send fighter jets, air defences and ships to a new military base in Poland, with US soldiers being also deployed in Romania, Estonia, Latvia and Lithuania – other nations deemed vulnerable to a Vladimir Putin attack following his invasion of Ukraine.Finland and Sweden, meanwhile, were formally invited to join the NATO alliance at the meeting with Turkey dropping their opposition to the body's expansion.READ MORE: Adult star's 'mysterious' death after she's discovered tied to a tree naked in forestIn addition, NATO has pledged to boost troop numbers by 4,000 on the critical eastern flank of the alliance, while the organisation's high-alert force – consisting of soldiers who have not been deployed but would be immediately ready for battle should war across Europe break out – has been increased from 40,000 to 300,000.
Sweden is a Scandinavian country in Northern Europe. It borders Norway to the west and north, Finland to the east, and is connected to Denmark in the southwest by a bridge-tunnel across the Öresund Strait. At 450,295 square kilometres (173,860 sq mi), Sweden is the largest country in Northern Europe, the third-largest country in the European Union and the fifth largest country in Europe by area. The capital city is Stockholm. Sweden has a total population of 10.3 million of which 2.6 million have a foreign background. Persons who have foreign backgrounds are defined as persons who are foreign born, or born in Sweden with foreign born parents. It has a low population density of 22 inhabitants per square kilometre (57/sq mi) and the highest urban concentration is in the central and southern half of the country.