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Sweden has joined Nato, the military alliance of countries in Europe and North America.
Since Russia’s invasion of Ukraine, Nato has admitted Sweden and Finland as new members, and has also been bolstering its defences in eastern Europe.
The UK government has promised to spend billions more on defence to counter threats from “authoritarian states”.
What is Nato and when was it set up?
Nato – the North Atlantic Treaty Organization – was formed in 1949 by 12 countries, including the US, UK, Canada and France.
Its aim was to block expansion…
