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excludes plug-in hybrids, Delantis Financial Services. Hello and welcome to the History Extra podcast from BBC History Magazine, Britain's best-selling history magazine.

I'm Ellie Gawthorne. Today's guest is the historian and author Linda Colley,

whose latest book, The Gun, the Ship and the Pen, explores how written constitutions

alongside warfare shaped the modern world from the 18th century onwards.

Linda spoke to our deputy editor, Matt Elton,

about some of the key constitutions and what they can tell us about the politics of the 21st century.

So your book title, Linda, is the gun, the ship and the pen. And I think a lot of world histories

are written with a focus on those first two tools

in kind of shaping the world. How much of this was an effort to sort of rebalance to focus more

on the constitution as being just as important? I mean, I suppose I wrote this book with two

broad aims in mind. There have been versions of constitutions in various societies from ancient times.

But I wanted to understand why, for about 1750, you got new kinds of constitutions, which were very much bound up with print, which were widely publicized,

...