I recommend Hudson's book, Super Imperialism. It made quite an impression on me in my younger days.
And here's an even more revealing interview with him which I posted a week ago, it's worth another listen.
Guns and Butter - July 13, 2011 at 1:00pm
This blog will be devoted to exploring why cost-of-living allowances are necessary for working people, and why the world's largest financial institutions are trying to take them away from us.