This week NATO are meeting in London for their annual summit, which leads us to ask the question - what does NATO actually do? We explain who the members are, how people can join, the commitments members make and why the group exists.

NATO, or the North Atlantic Treaty Organization, is a coalition of democratic capitalist countries from Europe and North America. It remains perhaps the single biggest deterrent against nuclear war today.

What is Article V and how can it lead to a new Constitutional Convention? An overview of the issue. Perfect for Government students and those who like to engage in political debate.

This week NATO are meeting in London for their annual summit, which leads us to ask the question - what does NATO actually do? We explain who the members are, how people can join, the commitments members make and why the group exists.