Bugsy: "Please explain"

One Nation Tory is the acknowledgement that there can be 'two nations' within a country: the haves and have nots, or rich and poor.

The idea of 'One Nation Toryism' is to bridge any inequality with obligation from both halves to each other. The obligation of the rich/powerful/elite was to acknowledge that whilst a class structure/hierarchy might be somehow 'inevitable', those at the bottom should also benefit from that hierarchy (not just those at the top) through paternalism and social reforms.

This all went out of the window back in the 1970s, which is why it's relevant to Thatcher and Thatcher haters. David Cameron talks about 'One Nation Toryism' now but it's hard not to see this as part of the the drive to portray the Tories as no longer being the "nasty party". Current Tory politics don't exactly back-up this talk.