Now citizens have a louder voice than ever, the UK badly needs to decide on its role in the world.
The Commonwealth countries' democratic failings take a back seat to British panic about impending irrelevance.
The international law on arms transfers is clear: suppliers are at least partly accountable for recipients' human rights violations.
It turns out that the president of the Philippines is exactly who he said he was.
Beijing's plans for Hong Kong aren't going down well with all its post-colonial subjects.
The empire's formal structures may have been gutted, but its influence lives on.
Despite talking up her visit to the White House, the British PM has been remarkably quiet on the biggest issue of the moment.
It's all smiles as two leaders meet for the first time, but it'll take more than warm words to navigate the choppy waters ahead.
The UK has yet to properly grapple with its past complicity in prisoner abuses and torture.
To get Nelson Mandela released and save Namibia's independence elections, Thatcher proposed a massive aid programme.
The decades-old dispute in the South Atlantic is the third rail of Argentine politics – and Mauricio Macri has blithely tripped over it.
The UK went into Libya with gusto – but ended up in a morass of mission creep and bad planning.
The decision to delay a major nuclear deal has ruffled feathers in Beijing. Is this a sign of the new PM's approach to international relations?
As the world picks over the Iraq Inquiry's final report, three fascinating character portraits have emerged.
The War on Terror-era programme of clandestine abductions and detentions wasn't just an American initiative.
Uncertainty over aid and trade will accompany new power struggles between Britain and the Commonwealth.
Intelligence on Iraq's weapons of mass destruction was a core part of the case for war. The Chilcot Report has examined how it came to be so distorted.
From faulty intelligence and inadequate oversight to disastrously poor planning, the Iraq War was a mess from the start.
Tony Blair insists to this day that his decision to go to war in Iraq was made in good faith. Does that make him any less culpable?
Membership of the EU guarantees Britain's political power in Europe and beyond.