WHAT DID THE ROTHSCHILDS DO FOR ANDREW JACKSON?

Jackson gave the Rothschilds their big break by appointing them as agents for The United States in London.

Why did he do this?

But what exactly did the Rothschilds do for Jackson? And for subsequent Presidents of The United States? 

Remember : before this decision of Jackson, the main bankers for The United States were the Barings, again British.