One of the world’s happiest countries is increasing its military budget by billions, its largest since the Cold War. Are we headed for World War III? Here’s what we know

Sweden, known as one of the world's happiest nations, is making headlines with its biggest military rearmament plan since the Cold War. Prime Minister Ulf Kristersson announced a 3.5% GDP increase in defense spending by 2030, investing 300 billion SEK (€27 bi…